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Sidney Blackmer as Police Commissioner Thatcher Colt |
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Rick Vallin as Anthony 'Tony' Abbot (as Ricki Vallin) |
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Byron Foulger as Everett P. Digberry |
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Herbert Rawlinson as District Attorney Bill Dougherty |
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Lynn Starr as Miss Spencer |
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Barry Bernard as Capt. Edgar Walters / Frank Galloway |
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Trude Rosen as Nina Politza |
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Thornton Edwards as Enrico Lombardi |
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John Ince as Police Captain Mike Flynn |
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Martin Ashe as Officer Murphy |
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Walter James as Police Captain Tom Henry |
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Frank Darien as Samuel Wilkins |
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Joseph DeVillard as Antonio Spogucci (as Joseph M. De Villard) |
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Jacques Vanaire as Guiseppe Bartarelli (as Jack Vanaire) |
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Willy Castello as John Martin George (as William Castello) |
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Harry Clark as Officer Lou Levinsky (as Harry Clarke) |
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Lew Leroy as Apartment Manager (as Lou LeRoy) |
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Billy Mitchell as Nicodemus J. Brown |
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Florence O'Brien as Petunia |
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Harte Wayne as Coroner |
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Pat McKee as Joe Morgan |
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Casey MacGregor as Police Sergeant Flanagan (as Casey McGregor) |
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Billy Snyder as Hotel Manager Stevens |
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Sam Lufkin as Lombardi's Police Escort (uncredited) |
| Directing | William Beaudine | Director |
| Writing | Martin Mooney | Screenplay |
| Writing | Fulton Oursler | Story |
| Costume & Make-Up | Eugene Joseff | Costume Design |
| Production | George R. Batcheller Jr. | Executive In Charge Of Production |
| Sound | Ben Winkler | Sound Engineer |
| Production | Lester Cutler | Producer |
| Production | T.R. Williams | Associate Producer |
| Crew | Marcel Le Picard | Cinematography |
| Production | Chris Beute | Production Manager |
| Writing | Edward Kaye | Dialogue |
| Sound | Lee Zahler | Music |
| Editing | Fred Bain | Editor |