Frank McDonald
Director
Hugh Reticker
Art Direction
Terry O. Morse
Editor
George Barnes
Director of Photography
Howard Jackson
Original Music Composer
Russell Saunders
Assistant Director
Hal B. Wallis
Executive Producer
Martin Flavin
Story
Tom Reed
Screenplay
Jack L. Warner
Executive Producer
Dalton Trumbo
Screenplay
Bryan Foy
Producer
Hugh Herbert
Horatio Gillingwater
Patricia Ellis
Lois Gillingwater
Warren Hull
Jerry Wayne
Hobart Cavanaugh
Jacob 'Jake' Buckley
Dorothy Vaughan
Evalina 'Evie' Gillingwater
Clarence Wilson
Jonathan Ramp
Robert Gleckler
Gangster Mugsy O'Bannion - aka Harold McCauley
Mary Treen
Alice Gillingwater
Anne Nagel
Miss Perkins - Ramp's Secretary
Arthur Aylesworth
Justice Felton
Sol Gorss
Jim - Bank Robber
Henry Otho
Lumpy - Bank Robber
Max Wagner
Lester - O'Bannion's Driver
Tom Brower
Sheriff Bert Hanson
Milton Kibbee
Wilbur - Detective
Tom Wilson
Fred - Detective
Dickie Jones
Boy on Streetcar
