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James Dunn as Mr. Smith |
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Sheila Ryan as Mrs. Jean Gilbert |
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Edward Ryan as Gerald McCracken Jr. |
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Jackie Paley as Linda Lane |
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Reed Hadley as Dr. Rene Marcel |
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Roy Roberts as Capt. Van den Bark |
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Robert Shaw as Lt. Bowman Hall |
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Daral Hudson as Hartshorn |
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William Forrest as Col. Lane |
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Roy Gordon as Gov. Gerald McCracken Sr. |
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Virginia Walker as Adelaide Marcel |
| Directing | Robert D. Webb | Director |
| Writing | Leonard Praskins | Writer |
| Camera | Clyde De Vinna | Director of Photography |
| Writing | Jack Andrews | Writer |
| Writing | Scott Darling | Adaptation |
| Production | William Girard | Producer |
| Writing | John W. Vandercook | Novel |
| Art | George Dudley | Art Direction |
| Art | Lyle R. Wheeler | Art Direction |
| Costume & Make-Up | Bonnie Cashin | Costume Design |
| Sound | David Buttolph | Music |
| Editing | John W. McCafferty | Editor |
| Art | Thomas Little | Set Decoration |
| Costume & Make-Up | Ben Nye | Makeup Artist |
