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)

H. C. Potter

Director

Directing

David Hertz

Screenplay

Writing

William Ludwig

Screenplay

Writing

Endre Bohem

Story

Writing

Dorothy Yost

Story

Writing

John W. Considine Jr.

Producer

Production

David Snell

Music

Sound

Edward Ward

Music

Sound

Clyde De Vinna

Director of Photography

Camera

Howard O'Neill

Editor

Editing

Cedric Gibbons

Art Direction

Art

Edwin B. Willis

Set Decoration

Art