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The Fly II

The Fly II is a 1989 American science fiction horror film directed by Chris Walas that serves as a direct sequel to David Cronenberg's 1986 remake of The Fly. The story centers on Martin Brundle (played by Eric Stoltz), the son of the original film's protagonist Seth Brundle, who was genetically fused with a fly; born with accelerated aging and latent insect mutations due to his father's experiments, Martin is raised in isolation at Bartok Industries, the corporation funding the research, where he befriends colleague Beth Logan (Daphne Zuniga) and races to reverse his deteriorating condition before fully transforming. Released on February 10, 1989, by 20th Century Fox, the film features practical effects supervised by Walas, who won an Academy Award for his work on the predecessor, and a screenplay by Frank Darabont alongside writers Jim Wheat, Ken Wheat, and Mick Garris. Produced on a budget of $12.5 million, The Fly II grossed $20 million in the United States and Canada and $38.9 million worldwide, achieving modest commercial success despite mixed critical reception. Critics praised the film's creature effects and Stoltz's performance but often criticized its predictable plot and tonal shifts from the original's psychological depth to more action-oriented horror. With a runtime of 105 minutes and an R rating for graphic violence and body horror, it expands on the themes of genetic engineering and corporate greed introduced in the first film, while introducing new elements like Martin's rapid maturation and ethical dilemmas in biotechnology.

Synopsis and cast

Plot

The film opens several months after the events of The Fly (1986), where scientist Seth Brundle merged with a fly during a teleportation experiment, as his lover Veronica Quaife gives birth to their son, Martin Brundle, before succumbing to shock and hemorrhaging. The infant, emerging from a larval-like sac, is immediately taken into custody by Anton Bartok, the corporate magnate who funded Brundle's research at Bartok Industries and now views the child as a valuable asset due to his inherited genetic anomalies. Martin's mutant genes cause accelerated growth, granting him superhuman intelligence and eliminating his need for sleep, but also dooming him to a foreshortened lifespan; by age three, he possesses the body and mind of a ten-year-old, confined to a sterile, monitored environment within the company's vast complex to prevent external contamination or escape. Bartok oversees his upbringing personally, posing as a paternal figure while directing scientists to study Martin's condition for potential biotechnological applications, keeping him ignorant of his true heritage by attributing his rapid aging to a rare disease. In a poignant moment of childhood rebellion, the isolated boy sneaks out to befriend a stray golden retriever, only to witness its nightmarish deformation—fused with fly DNA in a botched telepod test—leaving the animal in agony and imprinting Martin with a deep-seated horror of the technology his father pioneered. Traumatized, he later euthanizes the suffering creature, an act that underscores his emerging empathy amid his clinical existence. By age five, Martin appears as a twenty-five-year-old man and is relocated to a private bungalow on the premises, where Bartok assigns him the critical task of refining the defective telepod prototypes to enable safe matter transmission. Drawing on intuitive genius, Martin innovates fusion programming to stabilize the system, but his progress is complicated when Bartok provides him access to Seth Brundle's personal videotapes, chronicling the original experiments, the catastrophic fly merger, and pleas for help from Veronica—revelations that expose Martin's insectile lineage and Bartok's exploitative motives. These discoveries ignite Martin's resolve to master the telepods not just for corporate gain, but to seek a reversal of his genetic curse, even as subtle signs of mutation—such as skin lesions and heightened sensory sensitivities—begin to manifest. Amid this isolation, Martin forms a genuine romantic connection with Beth Logan, a compassionate lab technician who becomes his closest confidante and collaborator; their intimacy blossoms after a triumphant test teleporting a kitten unharmed between the pods, momentarily affirming the technology's promise. However, corporate surveillance intrudes when Martin uncovers hidden cameras in his living quarters, confirming Bartok's plan to harvest his mutating genes for profit without providing a cure, sparking escalating conflicts as Martin demands autonomy and ethical oversight. Beth, torn between loyalty to the company and her love for Martin, aids his initial escape attempts, but their flight is thwarted by security forces, leading to Martin's recapture and forced immersion in a genetic stabilization chamber that only accelerates his deterioration. As Martin's transformation intensifies—his body erupting in pustules, limbs contorting, and insect traits dominating while his mind remains lucid—he fully hybridizes into a grotesque fly-human form, dubbed "Martinfly," and unleashes a ferocious rampage through the facility, slaughtering guards and lab personnel in his path to confront Bartok. In the ensuing chaos, Beth is detained and interrogated for the telepod access code—"DAD," gleaned from Seth's tapes—which Martin uses to activate the system in Bay 17. The climax unfolds in the telepod chamber, where Martin lures the desperate Bartok inside the second unit and initiates a gene-splicing fusion, transferring his human DNA to himself and cursing Bartok with the insect mutation; the newly monstrous executive is subdued and caged, mirroring the fate of the deformed dog. Restored to his human appearance, Martin reunites with Beth, who embraces him unconditionally, and they flee the collapsing empire of Bartok Industries to forge a life unbound by his inherited legacy.

Cast

The principal role of Martin Brundle, the film's protagonist who undergoes a horrific genetic mutation, is played by Eric Stoltz. Daphne Zuniga portrays Beth Logan, Martin's love interest and key ally in his struggles. Lee Richardson appears as Anton Bartok, the exploitative corporate executive and primary antagonist who heads Bartok Industries. John Getz returns as Stathis Borans, the investigative journalist from the original film. Supporting cast includes Harley Cross as the young Martin Brundle, Frank C. Turner as the scientist Dr. Shepard, Saffron Henderson in a brief appearance as Veronica Quaife, Ann Marie Lee as Dr. Jainway, and Garry Chalk as the security head Scorby.

Production

Development

Following the critical and commercial success of David Cronenberg's 1986 remake of The Fly, which grossed over $40 million against a budget of approximately $15 million, 20th Century Fox and Brooksfilms greenlit a sequel to capitalize on the film's popularity.) Cronenberg declined to direct the follow-up, citing other commitments, leaving the project in need of a new helmer. Brooksfilms executive producer Stuart Cornfeld recommended Chris Walas, the Academy Award-winning special effects supervisor from the original film, for his directorial debut; Cornfeld facilitated a meeting with Mel Brooks, securing Walas the role. The screenplay underwent a troubled development process, beginning with an initial story and draft by Mick Garris that was rejected by the studio for being too family-oriented. Jim and Ken Wheat were then hired to write a new script, which faced extensive revisions amid executive interference, including further input from Frank Darabont to refine the narrative. These changes shifted the focus to the story of Martin Brundle, the son of Seth Brundle, emphasizing his accelerated aging due to inherited mutant genes from the original film's telepod experiment. The project was produced by Steven-Charles Jaffe, who stepped in after Cornfeld's recommendation, with Cornfeld serving as executive producer under Brooksfilms. The budget was set at $12.5 million, reflecting a commitment to practical effects in line with Walas' expertise from the first film.

Filming and effects

Principal photography for The Fly II took place primarily in Vancouver, British Columbia, Canada, utilizing soundstages at Bridge Studios for the interior sets of Bartok Industries. Exteriors depicting the corporate headquarters were filmed at Simon Fraser University in Burnaby, due to its modern architectural style that suited the futuristic laboratory aesthetic. The production shifted from an initial plan to film in Toronto—where the original The Fly was shot—to Vancouver because Toronto's facilities lacked sufficiently large stages for the required sets. Shooting commenced on April 22, 1988, and wrapped on July 19, 1988, spanning a 12-week schedule that presented significant challenges in capturing the progressive stages of Martin Brundle's physical transformation. These stages required extensive preparation time in the makeup chair, with early mutations using gelatin appliances that took up to 2.5 hours to apply, escalating to 7 hours for advanced deterioration effects, plus additional time for cocoon elements. The script's emphasis on Martin's insect-like metamorphosis influenced the effects design, demanding a seamless blend of actor performance and prosthetics to convey gradual decay without restricting mobility. Special effects were handled by Chris Walas Inc. (CWI), led by director Chris Walas, who had supervised the creature work on the 1986 original and won an Academy Award for Best Makeup for that film. The team employed practical techniques including custom makeup prosthetics, animatronics, and cable-operated puppets to depict mutations, focusing on realistic skin deterioration and hybrid insect-human forms. Foam latex was used for detailed close-up elements on puppets, while urethane skins provided durability for full-body creations; gelatin appliances were innovated for the transformation sequences to allow quicker application and removal compared to traditional methods, facilitating on-set adjustments. Four full-sized animatronic puppets represented the mature MartinFly creature, featuring articulated mechanisms like bicycle chains for limb movement, with one "leaper" variant launched via catapult for dynamic action shots. Collaboration with effects veterans from the first film was central, including makeup designer Stephan Dupuis and puppeteer Howie Weed, who contributed to creature designs and ensured continuity in the grotesque aesthetic. Puppets were constructed starting in late 1987, allowing pre-production testing for scenes like the cocoon emergence, which used a head-and-shoulders animatronic and a 14-inch rod puppet for surveillance perspectives. No novel techniques were introduced beyond refined applications of existing animatronics, prioritizing practical effects over optical work to maintain the film's body horror intimacy. Eric Stoltz, portraying Martin, underwent rigorous preparation for the physical demands of the transformation scenes, spending up to seven hours in makeup on peak days—reminiscent of his role in Mask—and adapting his performance with exaggerated facial expressions to compensate for the prosthetics' limited flexibility. He later recalled the discomfort of zinc oxide adhesive removal as particularly grueling. Safety protocols were emphasized during gore-heavy sequences, such as when stunt coordinator David Mylrea operated the "walker" puppet using a boom arm and harness, requiring multiple retakes to safely integrate breaking glass effects without injury.

Release

Theatrical

The Fly II was theatrically released in the United States on February 10, 1989, by 20th Century Fox. The premiere occurred in Los Angeles and New York City on the same date. The film received an R rating from the Motion Picture Association of America (MPAA) for horror violence and gore. Marketing for the sequel emphasized its connection to the 1986 original, positioning it as a continuation of the body horror narrative, with trailers featuring key transformation sequences and the film's practical effects. It opened in 1,524 theaters and earned $6.75 million during its first weekend. Internationally, the rollout began shortly after the U.S. debut, with releases in Australia on March 16, 1989, and France on April 26, 1989.

Home media

The film was first released on home video in 1989 by CBS/Fox Video, with the VHS edition hitting shelves on August 3 and the LaserDisc following later that year. These early formats provided viewers with access to the sequel shortly after its theatrical run, capitalizing on the original The Fly's cult following to drive sales. In 2000, 20th Century Fox Home Entertainment issued a DVD double feature pairing The Fly II with the 1986 original, offering widescreen presentation and basic special features like an audio commentary track featuring director Chris Walas and film historian Bob Burns. High-definition upgrades arrived with Scream Factory's 2019 Collector's Edition Blu-ray, released as part of The Fly Collection on December 10, which includes restored 1080p video from the original negative, a DTS-HD Master Audio 5.1 surround mix, and extensive extras such as new interviews with producer Stuart Cornfeld, director Chris Walas, and effects artists, alongside a making-of featurette and isolated score track. This edition emphasizes the film's practical effects legacy, with over 90 minutes of new content exploring production challenges. As of November 2025, The Fly II is not available for streaming on major platforms including Amazon Prime Video. Physical media remains widely accessible through retailers like Amazon, with the 2019 Blu-ray often bundled in collector sets. Internationally, variations include the UK VHS release by CBS/Fox Video on March 15, 1990, classified 18 by the BBFC with an approximate runtime of 100 minutes and no reported cuts for video distribution.

Reception

Box office

The Fly II was produced on a budget of $12.5 million. The film earned $20,021,322 in domestic box office receipts and $18,881,857 internationally, for a worldwide total of $38,903,179. With these figures, the sequel proved profitable relative to its production costs but underperformed compared to the original The Fly (1986), which grossed over $40 million domestically against a similar budget. The movie opened in 1,524 theaters on February 10, 1989, distributed by 20th Century Fox, debuting at number one with $6,751,371 in its first weekend, representing about 34% of its domestic total. It maintained a presence in the top 10 for three weeks during its theatrical run. In the context of 1989's horror landscape, The Fly II lagged behind contemporaries like Pet Sematary, which amassed $57,469,467 domestically and topped the box office for multiple weeks following its April release.

Critical response

Upon its release, The Fly II garnered mixed reviews from critics, who often praised its special effects and Eric Stoltz's performance as Martin Brundle while critiquing the formulaic plot and absence of David Cronenberg's philosophical depth from the original. The film holds a 32% approval rating on Rotten Tomatoes, based on 19 reviews, with critics noting its entertainment value but overall inconsequential nature. On IMDb, it scores 5.2 out of 10 from over 26,000 user ratings. Variety described it as "an expectedly gory and gooey but mostly plodding sequel" that "degenerates into a series of slime-ridden, glop-oozing special effects in its final half hour." Similarly, the Chicago Tribune observed that unlike the original's exploration of "a collision of intellect, destiny and the soul," the sequel "is content to limit its concern to survival." The Los Angeles Times highlighted its appeal for gore enthusiasts, warning that "if heavy gore is your kind of entertainment, you'll get a buzz out of The Fly II." Retrospective assessments have fostered a cult appreciation for the film's practical effects and body horror elements, positioning it as an underrated entry in the genre. A 2024 Bloody Disgusting analysis argued that The Fly II "remains malformed & misunderstood 35 years later," crediting director Chris Walas— an Academy Award-winning effects artist—for creating "something imperfect, but special" through sequences like the head-dissolving vomit and elevator skull-crush, which bring a unique voice to body horror. Metacritic aggregates a 36/100 score from 15 reviews, reflecting the initial lukewarm reception but underscoring its strengths in visual spectacle. Critics frequently discussed themes of corporate greed versus personal horror, with the Bartok Industries' exploitation of Martin contrasting his internal struggle against mutation, though this was seen as less nuanced than the original's interpersonal dynamics.

Legacy

Planned sequels

In the early 1990s, 20th Century Fox announced development of The Fly III, a direct sequel to The Fly II, with production handled through Brooksfilms. Geena Davis, who portrayed Veronica Quaife in the original 1986 film, was attached to produce and reprise her role, crediting the story idea to herself. The screenplay, penned by Richard Jefferies and tentatively titled Flies, centered on Quaife giving birth to twin boys who rapidly aged into teenagers, inheriting the mutagenic Brundlefly genetics from their father Seth Brundle, leading to fears of new human-insect hybrids emerging. Script development continued into the mid-1990s, but the project stalled and was ultimately shelved without advancing to pre-production. No official third film in the live-action franchise has been produced, leaving the unmade The Fly III as a notable "what if" in discussions of unrealized horror sequels. In November 2024, it was announced that director Nikyatu Jusu is developing a new film set in the universe of David Cronenberg's The Fly, though details on its connection to the existing sequels remain unclear.

Other media

A five-issue comic book miniseries titled The Fly: Outbreak, published by IDW Publishing in 2015, serves as a direct sequel to The Fly II. Written by Brandon Seifert with art by Menton3, the series follows the aftermath of Martin Brundle's actions, depicting a transgenic outbreak in Anchorpoint City caused by escaped insects carrying his mutated DNA. The narrative explores themes of corporate exploitation and biological horror, expanding on the film's lore without involving unproduced film concepts. Collected in a trade paperback edition, it received praise for its atmospheric artwork and faithful continuation of the franchise's body horror elements. The film's original score, composed by Christopher Young, was released on compact disc by Varèse Sarabande Records in February 1989, featuring 12 tracks that emphasize orchestral tension and grotesque motifs. Key cues include "Martin," which underscores the protagonist's isolation, and "The Final Transformation," highlighting the climactic metamorphosis with dissonant strings and percussion. A combined soundtrack album pairing Young's score with Howard Shore's music from the 1986 The Fly was later issued by Varèse Sarabande in 2005, providing expanded context for the series' sonic evolution. Merchandise tie-ins for The Fly II were limited, primarily consisting of promotional items such as t-shirts, lobby cards, and video store posters distributed by 20th Century Fox in 1989. No major video games or trading card sets were produced, though props like the film's telepods have appeared in collector auctions as rare memorabilia.

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