Full Credits
34 members

Lurene Tuttle
Ma Barker

Tristram Coffin
Arthur Dunlop

Paul Dubov
Alvin Karpis

Nelson Leigh
George Barker

Myrna Dell
Lou

Victor Lundin
Machine Gun Kelly

Don Grady
Herman as a Boy
Roye Baker
Lloyd Barker

Ron Foster
Doc Barker
Michael Smith
Fred - as a Boy
Gary Ammann
Doc - as a Boy
Donald Towers
Lloyd - as a Boy
Don Spruance
Herman
Rex Holman
Lloyd
Eric Morris
Fred

Byron Foulger
Dr. Guelffe

Eric Sinclair
John Dillinger
Robert Kendall
Baby Face Nelson
Irene Windust
Mrs. Khortney
John McNamara
Mr. Khortney

Dan White
Sheriff #2

Owen Bush
Carney

Charles Tannen
Sheriff #1

Riley Hill
Deputy

Dan Riss
Baxter

David Carlile
Avery
Bernard Pludow
Charlie
Paul Power
Minister
George Dockstader
Guard
Wally Rose
Guard
Bill Couch
Guard
William Lon Karn
Boy with basketball
Gil Baumgart
Fingers

Myron Healey
Sioux Falls Bank Robber (uncredited)
13 members
Bill Karn
Director
F. Paul Hall
Screenplay
William Faris
Producer
Bill Karn
Associate Producer
Mack V. Wright
Production Supervisor
Clark Ramsey
Director of Photography
Gene Kauer
Original Music Composer
John K. Kean
Sound
Harry Reif
Set Decoration
Paul Mullin
Art Direction
Armand Delmar
Makeup Artist
Gertrude Reade
Hairstylist
Rudy Harrington
Wardrobe Designer