- Jeremy Slate - Karl Lieder
- Len Lesser - Gunman
- Raymond Hatton - Joe Horn
- Pippa Scott - Maggie
- Jack Nicholson - Martin
- Madge Blake - Mrs. Edgar Bentley
- Leo Gordon - Killer
- Conrad Nagel - Julius Rutherford-Shank
- Norman Alden - Devil
- Alean 'Bambi' Hamilton - Girl
- Harvey Stephens - Dan Parker
- Ann McCrea - Deena
- Dale Van Sickel - Harry
- Wesley Lau - Slate
- Cyril Delevanti - Gardenia O'Toole
- Hal Taggart - Roscoe Farris (uncredited)
- Lou Krugman - 12th Street
- Lou Krugman - Garvin
- Gavin MacLeod - Salesman
- Sol Gorss - Brawler (uncredited)
- Sol Gorss - Hoodlum
- Sol Gorss - Hood (uncredited)
- Stafford Repp - Root
- John Daheim - Fowler
- John Daheim - Mike
- Mel Welles - Hoodlum
- Tom Steele - Gunman
- Betty Garde - Maybelle Towers
- Ted de Corsia - Roy Berg
- Dorothy Neumann - Reader's Aide
- Barbara Bain - Prudence
- J. Pat O'Malley - Professor Olander
- Richard Devon - Polly the Actor
- Milton Frome - Pennypacker
- Linda Lawson - Angie
- Herschel Graham - Restaurant Patron (uncredited)
- Herschel Graham - Casino Patron (uncredited)
- Herschel Graham - Reporter (uncredited)
- Bartlett Robinson - Joe Hardiman
- John Indrisano - News Vendor
- Guy Way - Thug
- Jack Elam - Phil Bricker
- Kevin Hagen - Jojo
- Percy Helton - Pop Markel
- Richard Bakalyan - Spider
- Will Wright - The Leadville Kid
- Frank Ferguson - Hyatt Krausmeyer
- Burt Mustin - Uncle Billy
- John Cliff - Chris Durfee
- Patrick Waltz - Patrolman
- Jack Arnold
Jack Nicholson interpreta a Martin en la serie.
Ted de Corsia hace el papel de Roy Berg.
Sol Gorss hace el papel de Hoodlum.
Ross Martin hace el papel de Andamo.
John Vivyan hace el papel de Mr. Lucky.
Tom Brown interpreta a Lieut. Rovacs en la serie.
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