King of the Underworld

Humphrey Bogart

Joe Gurney

Kay Francis

Dr. Carole Nelson

James Stephenson

Bill Stevens

John Eldredge

Dr. Niles Nelson

Jessie Busley

Aunt Josephine

Arthur Aylesworth

Dr. Sanders

Raymond Brown

Sheriff

Harland Tucker

Mr. Ames

Ralph Remley

Mr. Robert

Charley Foy

Slick

Murray Alper

Eddie

Joe Devlin

Porky

Elliott Sullivan

Mugsy

Alan Davis

Pete

John Harmon

Slats

John Ridgely

Jerry

Richard Bond

Interne

Pierre Watkin

District Attorney

Charles Trowbridge

Dr. Ryan

Edwin Stanley

Dr. Jacobs

Sherwood Bailey

Boy (uncredited)

Clem Bevans

Villager #3 (uncredited)

Sidney Bracey

Bert - the Farmer (uncredited)

Nat Carr

Second Villager (uncredited)