Ethan Powell
Theo Caulder
Ben Hillard
Lynn Powell
Dr. John Murray
Guard Dacks
Warden Keefer
Pete
Nicko
Bluto
Guard Alan
Guard Anderson
Guard #1
Guard #2
Annie
Lester Rodman
Tom Hanley
Foley
Boaz
Federal Marshal
Government Aides
Marjorie Powell
Captain Kagona
David
William
Dr. Marzuez
Dr. Josephson
Catherine
Gilbert
Man in Car (as Dave Deever)
Helmet Man
Prisoners
Bartender Mike
Gorilla Performers
Nurse
Prisoner
Uniform Cop (as Robert Paisley)
Prisoner (uncredited)
Student Doctor (uncredited)
Prison Guard (uncredited)
Airline Passenger / Hospital Visitor (uncredited)
Doctor (uncredited)
Cameraman (uncredited)
Guard (uncredited)
Singer (uncredited)
Prisoners (uncredited)
Convict (uncredited)
Student (uncredited)
Soldier (uncredited)