Charles McGraw as Det. Sgt. Walter Brown

Marie Windsor as Mrs. Frankie Neall

Jacqueline White as Ann Sinclair

Gordon Gebert as Tommy Sinclair

Queenie Leonard as Mrs. Troll

David Clarke as Joseph Kemp

Peter Virgo as Densel

Don Beddoe as Det. Sgt. Gus Forbes

Paul Maxey as Sam Jennings

Harry Harvey as Train Conductor

Peter Brocco as Vincent Yost (uncredited)

George Chandler as Accomplice Running Newsstand (uncredited)

Franklyn Farnum as Train Passenger (uncredited)

Don Haggerty as Det. Wilson (uncredited)

Milton Kibbee as Tenant (uncredited)

Walter Merrill as Officer Allen (uncredited)

Harold Miller as Train Passenger (uncredited)

Bess Flowers as Restaurant Diner (uncredited)