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Robert Stack as Eliot Ness |
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Keenan Wynn as Joe Fuselli |
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Barbara Nichols as Brandy LaFrance |
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Pat Crowley as Betty Anderson |
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Bill Williams as Martin Flaherty |
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Joe Mantell as George Ritchie |
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Bruce Gordon as Frank Nitti |
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Neville Brand as Al Capone |
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Peter Leeds as |
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Eddie Firestone as |
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Robert Osterloh as |
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Paul Dubov as |
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Abel Fernandez as |
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Wolfe Barzell as Picco |
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John Beradino as Johnny Giannini |
| Directing | Phil Karlson | Director |
| Production | Quinn Martin | Producer |
| Sound | Wilbur Hatch | Music |
| Camera | Charles Straumer | Director of Photography |
| Editing | Robert L. Swanson | Editor |
| Art | Ralph Berger | Art Direction |
| Art | Frank T. Smith | Art Direction |
| Art | Sandy Grace | Set Decoration |
| Writing | Paul Monash | Writer |
| Writing | Eliot Ness | Book |
| Writing | Oscar Fraley | Book |
