Attore	Ruolo
Steven Geray	Prof. Fred Linder
Wilton Graff	Frank Stevens
Robert Osterloh	Pete
Kathryn Card	Nora
Charles Cane	Sheriff (uncredited)
Bill Cartledge	Arrested Man Leaving Wagon (uncredited)
Tom Coleman	Detective (uncredited)
G. Pat Collins	Al's Father (uncredited)
Ellen Corby	Agnes (uncredited)
Lester Dorr	First Man in Police Line-Up (uncredited)
Edward Earle	McCoy (uncredited)
Charles Ferguson	Detective (uncredited)
Jack Gordon	Tough Man in Line-up (uncredited)
Sam Harris	Old Man on Bus (uncredited)
Harry Harvey Jr.	John Larrapoe (uncredited)
Robert Hyatt	Bobby Collins (uncredited)
Selmer Jackson	Warden Benson (uncredited)

Paul Kruger	Policeman in Hallway at Headquarters (uncredited)
Jimmy Lloyd	Herb Fuller (uncredited)
Merrill McCormick	Bus Passenger (uncredited)
Pat McGeehan	Commentator (voice) (uncredited)
John McKee	Policeman Departing HQ (uncredited)
Edwin Mills	Young Prisoner (uncredited)
Gay Nelson	Starry-Eyed Girl on Bus (uncredited)
Cosmo Sardo	Card Player at Bar (uncredited)
Charles Sherlock	Man in Hallway at Police Headquarters (uncredited)
Hermine Sterler	Mrs. Linder (uncredited)
Bert Stevens	State Trooper (uncredited)
Brick Sullivan	Policeman Departing HQ (uncredited)
Phil Tully	Bill - State Policeman at Roadblock (uncredited)
Chalky Williams	Policeman Departing HQ (uncredited)
Robert B. Williams	Williams (uncredited)

Dettaglio	Valore
Titolo originale	The Dark Past
Lingua originale	English (EN)
Lingue parlate	English
Paesi di produzione	United States of America
Stato	Released
Compagnie di produzione	Columbia Pictures
Data di uscita	22 dicembre 1948
Producer	Buddy Adler
Writer	Philip MacDonald, Michael Blankfort, Albert Duffy, Oscar Saul, Malvin Wald, James Warwick
Editors	Viola Lawrence
Cinematography	Joseph Walker, Homer Van Pelt
Asst. Directors	Rudolph Maté
Camera Operators	Joseph Walker, Homer Van Pelt
Add. Photography	Joseph Walker, Homer Van Pelt

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