- Frank Kumagai - Lum (uncredited)
- Virginia Carroll - Nurse (uncredited)
- Harry Carter - Detective Dietrich (uncredited)
- Clancy Cooper - Detective Eddie (uncredited)
- Henry Slate - Detective MacGregor (uncredited)
- Heinie Conklin - Subway Passenger (uncredited)
- George Eldredge - Fenton (uncredited)
- John Gallaudet - Detective Lieutenant Campion (uncredited)
- Alan Reed - Detective (uncredited)
- Robert Haines - Library Worker (uncredited)
- Jay Loft-Lyn - Microfilm Library Clerk (uncredited)
- Ray Montgomery - Ray, FBI Agent (uncredited)
- Jerry O'Sullivan - FBI Agent Enyart (uncredited)
- Ralph Moody - Coffin Boat Captain (uncredited)
- Roger Moore - Mr. Victor (uncredited)
- Vic Perry - Lightning Louie (uncredited)
- George E. Stone - Willie, Police Desk Clerk (uncredited)
- King Mojave - Elevator Passenger (uncredited)
- Harry Tenbrook - Elevator Passenger (uncredited)
- Stuart Randall - Police Commissioner (uncredited)
- Wilson Wood - Police Driver (uncredited)
- George Berkeley - Secondary Role (uncredited)
- Samuel Fuller
- Samuel Fuller
-
Jules Schermer
- Lionel Newman
- Harry M. Leonard
- Winston H. Leverett
- Paul Shure
Richard Widmark hace el papel de Skip McCoy.
Jean Peters interpreta a Candy en la película.
Thelma Ritter interpreta a Moe Williams en la película.
Murvyn Vye interpreta a Captain Dan Tiger en la película.
Richard Kiley hace el papel de Joey.
Willis Bouchey hace el papel de Zara.
Milburn Stone interpreta a Detective Winoki en la película.
Parley Baer interpreta a Headquarters Communist in Chair (uncredited) en la película.
Chet Brandenburg interpreta a Fight Spectator (uncredited) en la película.
Frank Kumagai interpreta a Lum (uncredited) en la película.
Virginia Carroll hace el papel de Nurse (uncredited).
Harry Carter hace el papel de Detective Dietrich (uncredited).
Clancy Cooper interpreta a Detective Eddie (uncredited) en la película.
Henry Slate interpreta a Detective MacGregor (uncredited) en la película.
Heinie Conklin interpreta a Subway Passenger (uncredited) en la película.
George Eldredge hace el papel de Fenton (uncredited).
John Gallaudet interpreta a Detective Lieutenant Campion (uncredited) en la película.
Alan Reed hace el papel de Detective (uncredited).
Robert Haines interpreta a Library Worker (uncredited) en la película.
Jay Loft-Lyn interpreta a Microfilm Library Clerk (uncredited) en la película.
Ray Montgomery interpreta a Ray, FBI Agent (uncredited) en la película.
Jerry O'Sullivan interpreta a FBI Agent Enyart (uncredited) en la película.
Ray Stevens interpreta a FBI Agent (uncredited) en la película.
Ralph Moody hace el papel de Coffin Boat Captain (uncredited).
Roger Moore hace el papel de Mr. Victor (uncredited).
Vic Perry interpreta a Lightning Louie (uncredited) en la película.
George E. Stone interpreta a Willie, Police Desk Clerk (uncredited) en la película.
King Mojave hace el papel de Elevator Passenger (uncredited).
Harry Tenbrook interpreta a Elevator Passenger (uncredited) en la película.
Stuart Randall interpreta a Police Commissioner (uncredited) en la película.
Wilson Wood interpreta a Police Driver (uncredited) en la película.
Maurice Samuels hace el papel de Peddler (uncredited).
George Berkeley hace el papel de Secondary Role (uncredited).
Capítulo disponible en las siguientes plataformas:
