Experiment Alcatraz

Dr. Ross Williams

Lt. Joan McKenna

Dr. J.P. Finley

Barry Morgan

Duke Shaw

Eddie Ganz

Col. Harris

Dan Staley

Max Henry

Jim Carlton, Realtor

Bartender

Asst. District Attorney Walton (as Louis Martin)

Richard 'Dick' McKenna

Warden Keaton

Nightclub Patron (uncredited)