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

Ron Foster

Doc Barker

Byron Foulger

Dr. Guelffe

Eric Sinclair

John Dillinger

Dan White

Sheriff #2

Owen Bush

Carney

Charles Tannen

Sheriff #1

Riley Hill

Deputy

Dan Riss

Baxter

David Carlile

Avery

Myron Healey

Sioux Falls Bank Robber (uncredited)