Horatio 'Boston Blackie' Black

Chester Morris

Dooley Watson

Erik Rolf

The Runt

George E. Stone

Insp. John Farraday

Richard Lane

Mary Watson

Jeanne Bates

Arthur Manleder

Lloyd Corrigan

Detective Sergeant Matthews (Uncredited)

Walter Sande

Nails Blanton (Uncredited)

Douglas Fowley

Benny Hines (Uncredited)

Sid Melton

Jumbo Madigan (Uncredited)

Cy Kendall

Policeman Joe (Uncredited)

Ray Teal

Johnny Watson (Uncredited)

Larry Olsen

Johnny Watson

Larry Joe Olson

Edna Counihan (Uncredited)

Maude Eburne

Richie Adair (Uncredited)

Sally Cairns

Elwood "Tex" Stewart (Uncredited)

Arthur Hunnicutt

Manny Vogel (Uncredited)

Trevor Bardette

Jerome Wagner (Uncredited)

Harry Semels

State Governor Rutledge (Uncredited)

Pierre Watkin

Carpet Man (Uncredited)

Jack Carr

Carpet Man (Uncredited)

Richard Alexander

Warden J.A. Edwards (Uncredited)

George Anderson

Woman in Hallway (Uncredited)

Jessie Arnold

Sandy (Uncredited)

Eddie Bruce

Policeman Frank (Uncredited)

Eddy Chandler

Parole Board Member (Uncredited)

James Conaty

Police Desk Sergeant (Uncredited)

Heinie Conklin

Miss Bailey (Uncredited)

Marie De Becker

Reporter at Parole Board Hearing (Uncredited)

Sayre Dearing

Woman in Hallway (Uncredited)

Minta Durfee

Prison Warden Root (Uncredited)

Ben Erway

George Phillips (Uncredited)

Jerry Frank

Joe Painter (Uncredited)

Joel Friedkin

Wilfred Thompson (Uncredited)

Kit Guard

Red Taggart (Uncredited)

John Harmon

Parole Board Member (Uncredited)

Carl M. Leviness

Policeman (Uncredited)

George Magrill

William Jones (Uncredited)

Al Murphy

Chairman of Parole Board (Uncredited)

Forbes Murray

Policeman (Uncredited)

Frank O'Connor

Parker Gray (Uncredited)

Brian O'Hara

Policeman Lally (Uncredited)

Dick Rush

Driver (Uncredited)

John Tyrrell

British Newsman (uncredited)

Bobby Hale