Skip McCoy
Richard Widmark
Candy
Jean Peters
Nurse (uncredited)
Virginia Carroll
Detective Dietrich (uncredited)
Harry Carter
Detective Eddie (uncredited)
Clancy Cooper
Detective MacGregor (uncredited)
Henry Slate
Subway Passenger (uncredited)
Heinie Conklin
Fenton (uncredited)
George Eldredge
Detective Lieutenant Campion (uncredited)
John Gallaudet
Detective (uncredited)
Alan Reed
Library Worker (uncredited)
Robert Haines
Microfilm Library Clerk (uncredited)
Jay Loft-Lyn
Moe Williams
Thelma Ritter
Ray, FBI Agent (uncredited)
Ray Montgomery
FBI Agent Enyart (uncredited)
Jerry O'Sullivan
FBI Agent (uncredited)
Ray Stevens
Coffin Boat Captain (uncredited)
Ralph Moody
Mr. Victor (uncredited)
Roger Moore
Lightning Louie (uncredited)
Vic Perry
Willie, Police Desk Clerk (uncredited)
George E. Stone
Elevator Passenger (uncredited)
King Mojave
Harry Tenbrook
Police Commissioner (uncredited)
Stuart Randall
Captain Dan Tiger
Murvyn Vye
Police Driver (uncredited)
Wilson Wood
Peddler (uncredited)
Maurice Samuels
Secondary Role (uncredited)
George Berkeley
Joey
Richard Kiley
Zara
Willis Bouchey
Detective Winoki
Milburn Stone
Headquarters Communist in Chair (uncredited)
Parley Baer
Fight Spectator (uncredited)
Chet Brandenburg
Lum (uncredited)
Frank Kumagai
Director
Samuel Fuller
Screenplay
Costume Design
Travilla
Original Music Composer
Leigh Harline
Stunt Double
John Hudkins
Makeup Artist
Ben Nye
Producer
Jules Schermer
Director of Photography
Joseph MacDonald
Editor
Nick DeMaggio
Art Direction
George Patrick
Lyle R. Wheeler
Set Decoration
Al Orenbach
Assistant Director
Ad Schaumer
Sound
Harry M. Leonard
Winston H. Leverett
Musician
Urban Thielmann
Paul Shure
Story
Dwight Taylor
Visual Effects
Ray Kellogg
Wardrobe Supervisor
Charles LeMaire
Sam Benson
Music Director
Lionel Newman
Orchestrator
Edward B. Powell
Bernard Mayers