Blackmail

Edward G. Robinson

John R. Ingram

Ruth Hussey

Helen Ingram

Gene Lockhart

William 'Bill' Ramey

Bobs Watson

Hank Ingram

Guinn 'Big Boy' Williams

Moose McCarthy

John Wray

Convict Diggs

Arthur Hohl

Rawlins

Esther Dale

Sarah

Trevor Bardette

Southern Deputy (uncredited)

Willie Best

Bunny - the Janitor (uncredited)

Stanley Blystone

Oil Worker (uncredited)

Wade Boteler

Police Sergeant (uncredited)

Ed Brady

Prisoner Worrying About Dick Tracy (uncredited)

Everett Brown

Black Prisoner (uncredited)

Eddy Chandler

Prisoner Boss Brown (uncredited)

George Cooper

Released Prisoner Hawley (uncredited)

Joseph Crehan

Mr. Blaine (uncredited)

Jack Daley

Policeman (uncredited)

Frank Darien

Ramey's Oil-Well Watchman (uncredited)

Hal K. Dawson

Hotel Desk Clerk (uncredited)

Cedric Gibbons

Art Direction

Edwin B. Willis

Set Decoration

David Snell

Music

H. C. Potter

Director

David Hertz

Screenplay

Endre Bohem

Story

Edward Ward

Music

William Ludwig

Screenplay

John W. Considine Jr.

Producer

Dorothy Yost

Story

Clyde De Vinna

Director of Photography

Howard O'Neill

Editor