Chester Morris

Horatio 'Boston Blackie' Black

Jeff Donnell

Anne Parks Duncan

Richard Lane

Inspector John Farraday

Dusty Anderson

Sandra

George E. Stone

The Runt

Frank Sully

Detective Sergeant Matthews

Marvin Miller

Dr. Nejino

Wilton Graff

Rex Duncan

Murray Alper

Eddie Alexander, Chauffeur

Forbes Murray

Dr. Purcell Nash

Joseph Crehan

'Jumbo' Madigan - Pawnbroker