Walter Connolly
— Dr. MacAuley
Onslow Stevens
— Dr. Frank Norton
Paul Fix
— Nightingale
Bernard Nedell
— Redlands
Iris Meredith
— Mary MacAuley
Oscar O'Shea
— Warden
Nicholas Soussanin
— 'Lindy' Lindstrom
Don Beddoe
— Jockey
George Chesebro
— Guard (uncredited)
Al Ferguson
— Guard (uncredited)
Milton Kibbee
— Convict (uncredited)
Robert Sterling
— Convict (uncredited)
Philip Van Zandt
— Freddie (uncredited)
Herb Vigran
— Orderly (uncredited)
Charles Williams
— Stranger (uncredited)
Walter Baldwin
— Mr. Mason (uncredited)
Lester Dorr
— Convict (uncredited)