Horatio 'Boston Blackie' Black

Chester Morris

Acting

Anne Parks Duncan

Jeff Donnell

Acting

Inspector John Farraday

Richard Lane

Acting

Sandra

Dusty Anderson

Acting

The Runt

George E. Stone

Acting

Detective Sergeant Matthews

Frank Sully

Acting

Dr. Nejino

Marvin Miller

Acting

Rex Duncan

Wilton Graff

Acting

Eddie Alexander, Chauffeur

Murray Alper

Acting

Dr. Purcell Nash

Forbes Murray

Acting

'Jumbo' Madigan - Pawnbroker

Joseph Crehan

Acting