Jim Brown as Curtis X. Hook

Judy Pace as Iris Daniels

Roland Bob Harris as Capt. Otis Stambell

Paul Harris as Jackson Barney

Frank De Kova as Capiello

Ted Cassidy as Glover

Frenchia Guizon as Macey

John Dennis as Sergeant Morella / Flood

Jac Emel as Zack

Quinn K. Redeker as Warden

Betty Cole as Mother

Robert Phillips as Cohalt

Dick Miller as Taxi Driver

Jan Merlin as Saddler

Carmen Argenziano as

Rudy Challenger as

Charles Cyphers as Nicol (uncredited)

Luther Fear as Fighter with Laundry Paddle (uncredited)

Herbert Jefferson Jr. as Henry (uncredited)

Jerry Jones as FBI Agent (uncredited)

Jonathan Kaplan as Portable Toilet Delivery Man (uncredited)

John Lupton as Detective Sergeant (uncredited)

Lew Sleeman as Prison Inmate (uncredited)