Forbidden World ()

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In the distant future, a federation marshal arrives at a research lab on a remote planet where a genetic experiment has gotten loose and begins feeding on the dwindling scientific group.


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Cast verified as complete

Mike Colby
Tracy Baxter
Dr. Barbara Glaser
Dr. Gordon Hauser
Fox Harris ...
Dr. Cal Timbergen
Ray Oliver ...
Brian Beale (as Raymond Oliver)
Earl Richards
Jimmy Swift
Don Olivera ...
Rest of cast listed alphabetically:
Mutant (uncredited)

Directed by

Allan Holzman

Written by

Tim Curnen ... (screenplay)
Jim Wynorski ... (story) and
R.J. Robertson ... (story)

Produced by

Roger Corman ... producer
Mary Ann Fisher ... co-producer

Music by

Susan Justin

Cinematography by

Tim Suhrstedt

Film Editing by

Allan Holzman
Martin Nicholson

Editorial Department

James Matheny ... associate editor (as Jim Matheny)
Marilyn McCoppen ... assistant editor
Martin Nicholson ... associate editor (as Marty Nicholson)
Mark Pritchard ... apprentice editor

Casting By

Jackie Burch ... (as Jackie McNamara)

Production Design by

Christopher Horner

Art Direction by

Joseph T. Garrity ... (as Joe Garrity)
Wayne Springfield

Set Decoration by

Chuck Seaton

Makeup Department

John Carl Buechler ... special makeup effects (as J.C. Buechler)
Sue Dolph ... makeup artist
Karen Kubeck ... special makeup effects artist: assistant makeup artist
Susan Moray ... hair stylist
Steve Neill ... prosthetic fabricator
Don Olivera ... special makeup effects
Jim Shaw ... prosthetic designer
R. Christopher Biggs ... special makeup effects artist (uncredited)
Bart Mixon ... special makeup effects artist (uncredited)
Mark Shostrom ... special makeup effects artist (uncredited)

Production Management

Clark Henderson ... post-production supervisor
Aaron Lipstadt ... production manager
Charles Skouras III ... assistant production manager
William T. Conway ... production manager (uncredited)

Second Unit Director or Assistant Director

Mark Allan ... first assistant director
Aaron Lipstadt ... second unit director
Victoria Plummer ... second assistant director (as Vicki Plummer)

Art Department

Whitney Scott Bain ... carpenter
Julie Kaye Fanton ... props (as Julie Towery)
Jim Haddon ... special props and graphics
Donna Marburger ... special props and graphics
James Reigle ... set construction supervisor (as Jim Reigle)
Ron Seigel ... special props and graphics (as Ron Siegle)
Ron Siegle ... special props and graphics
Mark Pritchard ... carpenter (uncredited)
Mark A. Shelton ... art department electrician (uncredited)

Sound Department

John K. Adams ... sound editor
Patrushkha Mierzwa ... boom operator
Branda S. Miller ... sound editor (as Branda Miller)
Mark Ulano ... production sound mixer
Karen G. Wilson ... supervising sound editor (as Karen Wilson)

Special Effects by

Roger George ... pyrotechnics
Michael F. Hoover ... special mechanics
Michael Lavalley ... special mechanics (as Mike La Valley)
Rick Lazzarini ... special mechanics
Brian Bevis ... special effects crew (uncredited)

Visual Effects by

Steve Caldwell ... camera operator: special visual effects
Tom Campbell ... supervisor: special visual effects
Brian Chin ... storyboard artist: special visual effects
William T. Conway ... supervisor: special visual effects (as Bill Conway)
Deborah Gaydos ... effects animation designer
Julia Gibson ... effects animation camera
Matthew McAllister ... special lighting effects
January Nordman ... assistant animator (as January R. Nordman)
Kyle Perkins ... model builder
Tony Randel ... optical effects consultant (as Anthony Randel)
Jay Roth ... model builder
Brent Scrivener ... model shop supervisor (as Brent Scrivner)
Hank Simon ... optical camera
Dennis Skotak ... director of photography: special visual effects
Robert Skotak ... production designer: special visual effects
Joseph Yanuzzi ... effects editor

Camera and Electrical Department

James L. Carter ... director of photography: second unit (as James Carter)
M.J. Elliott ... still photographer
Greg Gardiner ... best boy
James J. Gilson ... gaffer (as Jim Gilson)
Jim Grce ... electrician
Scott Guthrie ... electrician
Martin J. Layton ... assistant camera (as Marty Layton)
Tracy Neftzger ... key grip
David W. Nims ... grip (as Dave Nims)

Costume and Wardrobe Department

Susie DeSanto ... wardrobe supervisor
Mary Jane McCarty ... costume designer: women's jumpsuits (as Janice McCarthy)

Music Department

Craig Huxley ... electronic music realization (as Craig Huntley)

Other crew

Rupert Harvey ... production accountant
Pat Morrill ... production coordinator
Judith Saunders ... script supervisor (as Judy Saunders)
Mike Chambers ... production assistant/meat wrangler (uncredited)

Production Companies




Special Effects


Other Companies



Plot Summary

On planet Xarbia, an experimental life form, Subject 20, has been created by an elite group of researchers in hopes of preventing a galactic food crisis. However, when Subject 20 becomes deadly, the best troubleshooter in the Galaxy is called in to investigate. Written by Concorde - New Horizons (with permission).

Plot Keywords
Taglines A Science Fiction Horror Adventure That'll Blow You Away! See more »
Parents Guide View content advisory »

Additional Details

Also Known As
  • Mutant (France)
  • Galaxia prohibida (Spain)
  • Sarka & aima gia to alien (Greece)
  • Запретный мир (Soviet Union, Russian title)
  • Zabranjeni svet (Serbia)
  • See more »
  • 77 min
Aspect Ratio
Sound Mix
Filming Locations

Box Office

Budget $1,000,000 (estimated)

Did You Know?

Trivia During a screening, Roger Corman actually smacked an audience member on the head for laughing at the film. When Roger left the theater, the guy he punched poured soda all over his head from the balcony. See more »
Goofs In the first lab scene on planet Xarbia, when Mike Colby says "That thing is trouble, I can smell it", we can see a yellow microphone appearing from the inferior-left that appears again on the next scene from the same plane. See more »
Movie Connections Edited into Not of This Earth (1988). See more »
Soundtracks The Blue Danube See more »
Quotes SAM-104: They switch you off when life is good then switch you on when they're up to their noses in life's bitter droppings!
Mike Colby: You said it, tin man.
See more »

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