William Holden
Role: Al Walker
Lee J. Cobb
Role: Dr. Andrew Collins
Adele Jergens
Role: Laura Stevens
Stephen Dunne
Role: Owen Talbot
Lois Maxwell
Role: Ruth Collins
Steven Geray
Role: Prof. Fred Linder
Wilton Graff
Role: Frank Stevens
Robert Osterloh
Role: Pete
Charles Cane
Role: Sheriff (uncredited)
Bill Cartledge
Role: Arrested Man Leaving Wagon (uncredited)
Tom Coleman
Role: Detective (uncredited)
G. Pat Collins
Role: Al's Father (uncredited)
Ellen Corby
Role: Agnes (uncredited)
Lester Dorr
Role: First Man in Police Line-Up (uncredited)
Edward Earle
Role: McCoy (uncredited)
Charles Ferguson
Role: Detective (uncredited)
Jack Gordon
Role: Tough Man in Line-up (uncredited)
Sam Harris
Role: Old Man on Bus (uncredited)
Harry Harvey Jr.
Role: John Larrapoe (uncredited)
Robert Hyatt
Role: Bobby Collins (uncredited)
Selmer Jackson
Role: Warden Benson (uncredited)
Paul Kruger
Role: Policeman in Hallway at Headquarters (uncredited)
Jimmy Lloyd
Role: Herb Fuller (uncredited)
Merrill McCormick
Role: Bus Passenger (uncredited)
Pat McGeehan
Role: Commentator (voice) (uncredited)
John McKee
Role: Policeman Departing HQ (uncredited)
Edwin Mills
Role: Young Prisoner (uncredited)
Gay Nelson
Role: Starry-Eyed Girl on Bus (uncredited)
Cosmo Sardo
Role: Card Player at Bar (uncredited)
Charles Sherlock
Role: Man in Hallway at Police Headquarters (uncredited)
Hermine Sterler
Role: Mrs. Linder (uncredited)
Bert Stevens
Role: State Trooper (uncredited)
Brick Sullivan
Role: Policeman Departing HQ (uncredited)
Phil Tully
Role: Bill - State Policeman at Roadblock (uncredited)
Chalky Williams
Role: Policeman Departing HQ (uncredited)
Robert B. Williams
Role: Williams (uncredited)