James Coco
— Dr. Harold Woodhouse Langer
Trini Alvarado
— Lisa Titus
Paul Benedict
— Warden Edward Dwyer
Gary McCleery
— Rick Donner
Stephen Geoffreys
— Roach
Ron Taylor
— Tiny
Jack Betts
— Detective
Mark von Holstein
— Mazzini
Calvin Levels
— Wilma
Brad Greenquist
— Mushmouth
Paul Calderon
— Pizza
Antonio Aponte
— Romeo
Jihmi Kennedy
— Walkman
Mike Starr
— Wilson
Jamie Tirelli
— Luis Rodríguez
Daryl Edwards
— Bob
Willie C. Carpenter
— Al
Clark Morgan
— The Power Inspector
Richard Edson
— Riot Leader
John Eric Bentley
— Warden Callahan
Wayne Keeley
— Inmate
Gordy Owens
— Brian Reed (uncredited)