Mark Stevens as Gene Cordell / George Manly

Richard Widmark as Alec Stiles

Lloyd Nolan as Inspector George A. Briggs

Barbara Lawrence as Judy Stiles

Ed Begley as Chief Bernard Harmatz

Donald Buka as Shivvy

Joseph Pevney as Matty

John McIntire as Cy Gordon

Walter Greaza as Lt. Paul Staller

Howard Smith as Ralph Demory

Larry Anzalone as Sparring Partner (Uncredited)

George Barrows as Bouncer at Gym (Uncredited)

Joan Blair as Valentine Laval (Uncredited)

James J. Casino as Cornerman (Uncredited)

Lane Chandler as Policeman at Arcade (Uncredited)

Dick Cherney as Man at Gym (Uncredited)

Noble 'Kid' Chissell as Prisoner (Uncredited)

Edmund Cobb as Desk Sergeant (Uncredited)

Vincent Donahue as Cholly (Uncredited)

Sam Edwards as Whitey (Uncredited)

Fred Fisher as Citizen (Uncredited)

Bruce Gordon as Detective in Raid (Uncredited)

Fred Graham as Bank Clerk (Uncredited)

Joe Gray as Boxer (Uncredited)

Kit Guard as Man at Arcade (Uncredited)

Joe Haworth as Police Sergeant Sam Bryant (Uncredited)

Don Jessee as Scared Face Tough (Uncredited)

Robert Karnes as David Jannings (Uncredited)

Johnny Kern as Fighter (Uncredited)

Mike Killian as Police Sergeant (Uncredited)

Don Kohler as FBI Agent Richard Atkins (Uncredited)

Lyle Latell as Officer (Uncredited)

George Leonard as Ticket Taker (Uncredited)

Jack Lomas as Man at Gym (Uncredited)

Marion Marshall as Singer (Uncredited)

Billy Mauch as Mutt (Uncredited)

Roger McGee as Joe (Uncredited)

Kitty McHugh as Waitress (Uncredited)

Joe McTurk as Fight Manager (Uncredited)

Lew Morphy as Officer (Uncredited)

Robert Patten as Robert Danker (Uncredited)

Phillip Pine as Monk (Uncredited)

Wally Rose as Man in Gym (Uncredited)

Wallace Scott as Ring Manager (Uncredited)

Sammy Shack as Hood (Uncredited)

Dan Sheridan as Police Desk Sergeant (Uncredited)

Mickey Simpson as Policeman at Arcade (Uncredited)

Randy Stuart as Helen Jannings (Uncredited)

Brick Sullivan as Officer (Uncredited)

Charles Tannen as Cab Driver (Uncredited)

Al Thompson as Hotel Clerk (Uncredited)

Philip Van Zandt as Bail Bondsman (Uncredited)

Kid Wagner as Punch (Uncredited)

Billy Wayne as Fight Trainer (Uncredited)

Robert B. Williams as Sergeant (Uncredited)

Buddy Wright as Kid Giveno (Uncredited)