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
Soldier (uncredited)
Man in Car
Helmet Man
Prisoners
Prisoners
Prisoners
Prisoners
Prisoners
Prisoners
Prisoners
Bartender Mike
Gorilla Performers
Gorilla Performers
Gorilla Performers
Gorilla Performers
Gorilla Performers
Gorilla Performers
Prisoner
Uniform Cop
Nurse
Gorilla Performers
Singer (uncredited)
Gorilla Vocals (uncredited)