Dr. Ethan Powell
Dr. Theo Caulder
Ben Hillard
Lynn Powell
Dr. John Murray
Guard Dacks
Warden Keefer
Nicko
Pete
Catherine
Bluto
Gurad Alan
Guard Anderson
Annie
Lester Rodman
Tom Hanley
Foley
Boaz
Marjorie Powell
Captain Kagona
David
Dr. Marzuez
Dr. Josephson
Gilbert
Guard #1
Guard #2
Federal Marshall
Man in Car
Helmet Man
Prisoners
Prisoners
Prisoners
Prisoners
Prisoners
Prisoners
Prisoners
Bartender Mike
Gorilla Performers
Gorilla Performers
Stunts
Gorilla Performers
Gorilla Performers
Gorilla Performers
Gorilla Performers
Prisoner (uncredited)
Soldier (uncredited)
Uniform Cop (uncredited)
Singer (uncredited)
Gorilla Vocals (uncredited)
Director
Producer
Director of Photography
Executive Producer
Executive Producer
Screenplay
Editor
Producer
Stunts
Stunts
Stunts
In Memory Of
Stunts
Utility Stunts
Stunts
Stunts
Stunts
Stunts
Stunts
Stunts
Stunts
Stunts
Utility Stunts
Stunts
Stunt Double
Stunts
Stunts
Stunt Double
Stunts
Stunts
Stunts
Stunts
Stunts
Stunts
Stunts
Utility Stunts
Stunts
Stunts
Hairstylist
Construction Coordinator
Casting
First Assistant Director
Key Costumer
Construction Foreman
Costume Supervisor
Script Supervisor
Set Decoration
Makeup Supervisor
Makeup Department Head
Production Coordinator
Set Designer
Camera Operator
Costume Design
Supervising Sound Editor
Sound Designer
Special Effects Coordinator
Camera Operator
Set Designer
First Assistant Camera
Production Design
Art Department Coordinator
Music Editor
Art Direction
Special Effects Supervisor
Stunt Coordinator
Sound Effects Editor
Music Editor
Script Supervisor
Dialogue Editor
Sound Mixer
Property Master
Sound
Original Music Composer
Sound Re-Recording Mixer
Sound Re-Recording Mixer
ADR Editor
Video Assist Operator
Camera Operator