Det. Lt. Barney Nolan
Edmond O'Brien
Patty Winters
Marla English
Gambler Being Booked
John Beradino
Detective
Robert Bray
Detective O'Dell
Stafford Repp
Joe the Bartender
Vito Scotti
William Boyett
Richard H. Cutting
Laddie O'Neil
Lawrence Ryle
Mickey Golden
David Hughes
Det. Sgt. Mark Brewster
John Agar
Frank Marlowe
Gregg Martell
Tom McKee
Grazia Narciso
Norman Ollestad
Jack Perry
John Phillips
Joe Ploski
Capt. Gunnarson
Emile Meyer
Beth, Girl at Bar
Carolyn Jones
Fat Michaels
Claude Akins
Cabot, Reporter
Herbert Butterfield
Packy Reed
Hugh Sanders
Asst. Dist. Atty. Andy Tucker
William Schallert
The Professor
Richard Deacon
Director
Howard W. Koch
Screenplay
Richard Alan Simmons
Editor
John F. Schreyer
Original Music Composer
Paul Dunlap
Writer
John C. Higgins
Adaptation
Producer
Aubrey Schenck
Director of Photography
Gordon Avil
Novel
William P. McGivern
Production Design
Charles D. Hall
Set Decoration
Alfred E. Spencer
Visual Effects
Jack Rabin
Louis DeWitt