Chester Morris
Horatio 'Boston Blackie' Black
Erik Rolf
Dooley Watson
Jeanne Bates
Mary Watson
Richard Lane
Insp. John Farraday
George E. Stone
The Runt
Lloyd Corrigan
Arthur Manleder
Douglas Fowley
Nails Blanton (Uncredited)
Sid Melton
Benny Hines (Uncredited)
Ray Teal
Policeman Joe (Uncredited)
Maude Eburne
Edna Counihan (Uncredited)
Arthur Hunnicutt
Elwood "Tex" Stewart (Uncredited)
Cy Kendall
Jumbo Madigan (Uncredited)
Larry Olsen
Johnny Watson (Uncredited)
Pierre Watkin
State Governor Rutledge (Uncredited)
Walter Sande
Detective Sergeant Matthews (Uncredited)
Jack Carr
Carpet Man (Uncredited)
Richard Alexander
Carpet Man (Uncredited)
George Anderson
Warden J.A. Edwards (Uncredited)
Jessie Arnold
Woman in Hallway (Uncredited)
Trevor Bardette
Manny Vogel (Uncredited)
Eddie Bruce
Sandy (Uncredited)
Sally Cairns
Richie Adair (Uncredited)
Eddy Chandler
Policeman Frank (Uncredited)
James Conaty
Parole Board Member (Uncredited)
Heinie Conklin
Police Desk Sergeant (Uncredited)
Marie De Becker
Miss Bailey (Uncredited)
Sayre Dearing
Reporter at Parole Board Hearing (Uncredited)
Minta Durfee
Woman in Hallway (Uncredited)
Ben Erway
Prison Warden Root (Uncredited)
Jerry Frank
George Phillips (Uncredited)
Joel Friedkin
Joe Painter (Uncredited)
Kit Guard
Wilfred Thompson (Uncredited)
John Harmon
Red Taggart (Uncredited)
Carl M. Leviness
Parole Board Member (Uncredited)
George Magrill
Policeman (Uncredited)
Al Murphy
William Jones (Uncredited)
Forbes Murray
Chairman of Parole Board (Uncredited)
Frank O'Connor
Policeman (Uncredited)
Brian O'Hara
Parker Gray (Uncredited)
Dick Rush
Policeman Lally (Uncredited)
Harry Semels
Jerome Wagner (Uncredited)
John Tyrrell
Driver (Uncredited)
Bobby Hale
British Newsman (uncredited)
William Castle
Director
Jack Boyle
Characters
Paul Yawitz
Writer
Robert Priestley
Set Decoration
Jerome Thoms
Editor
Earl Bellamy
Assistant Director
Paul Murphy
Art Direction
Wallace MacDonald
Producer
Clay Campbell
Makeup Artist
Lionel Banks
Art Direction
Ernest Miller
Director of Photography
Sidney Cutner
Additional Music
Friedrich Hollaender
Additional Music
Morris Stoloff
Music Director
Matty Roubert
Stunts
Werner R. Heymann
Additional Music
George Magrill
Stunts
Gregory Stone
Additional Music
Eddie Parker
Stunts
Earl Snyder
Sound Engineer
Ben Oakland
Additional Music
George Parrish
Additional Music
Chuck Hamilton
Stunts