The Mouthpiece

Warren William

Vincent 'Vince' Day

Sidney Fox

Celia Farraday

Aline MacMahon

Miss Hickey, Day's Secretary

John Wray

Mr. Barton

Mae Madison

Elaine

Ralph Ince

J.B. Roscoe

Morgan Wallace

E.A. Smith

Guy Kibbee

Bartender

J. Carrol Naish

Tony Rocco

Walter Walker

District Attorney Forbes