Lester M. 'Baby Face Nelson' Gillis
Mickey Rooney
Sue Nelson
Carolyn Jones
FBI Agent Johnson
Robert Osterloh
Connelly
Thayer David
FBI Agent Charles Bonner
Dabbs Greer
Mr. Hall
George E. Stone
Ann Saper – the Lady in Red
Lisa Davis
Mac – Detective
Emile Meyer
Miller
Dan Terranova
Alex – Bank Guard
Murray Alper
Pharmacist
Harry Antrim
Postman Harkins
Tom Fadden
Doc Saunders (as Sir Cedric Hardwicke)
Cedric Hardwicke
Powell
Dick Crockett
Aldridge
Paul Baxley
Preston
Sol Gorss
Duncan
Gil Perkins
Kearns
Hubie Kerns
John Dillinger
Leo Gordon
John Hamilton
Anthony Caruso
Fatso Nagel
Jack Elam
Samuel F. Parker
John Hoyt
Rocca
Ted de Corsia
Homer van Meter
Elisha Cook Jr.
Solly
Duke Mitchell
Director
Don Siegel
Story
Robert Adler
Stunts
Writer
Daniel Mainwaring
Screenplay
Irving Shulman
Original Music Composer
Van Alexander
Director of Photography
Hal Mohr
Assistant Director
Harry M. Slott
Editor
Leon Barsha
Property Master
Ted Mossman
Sound Director
Harold Lewis
Wayne Fury
Makeup Supervisor
Harry Thomas
Production Executive
Donald Zimbalist
Executive Assistant
Red Doff
Producer
Al Zimbalist
Associate Producer
Byron Roberts
Art Direction
Dave Milton
Set Decoration
Joseph Kish