Lugosi Béla

Prof. Frederick Brenner aka Karl Wagner

John Archer

Richard Dennison

Wanda McKay

Judy Malvern

Tom Neal

Frankie Mills

Vince Barnett

Charley

John Berkes

Fingers Dolan

J. Farrell MacDonald

Capt. Mitchell

Dave O'Brien

Det. Pete Crawford

Lew Kelly

Doc Brooks

Wheeler Oakman

"Trigger" Stratton

George Eldredge

Det. Thompson (uncredited)

Eddie Kane

Police Chief Martin (uncredited)

Harry 'Snub' Pollard

Knocked-out Motorist (uncredited)

Bernard Gorcey

Shopkeeper (uncredited)

Willy Castello

Jeweler (uncredited)

Bob Reeves

Henchman (unconfirmed) (uncredited)

Walter McGrail

Coroner (uncredited)

Jack Kenney

Usher (uncredited)

Eddie Hall

Tramp playing checkers at 'Friendly Mission' (uncredited)

Theodore Lorch

Tramp Playing Checkers at Friendly Mission (uncredited)

Victor Adamson

Tramp (uncredited)