Jack Armstrong (1947)
Directora:
Wallace Fox
Escritores:
Arthur Hoerl, Lewis Clay, Royal K. Cole, Leslie Swabacker.
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John Hart as Jack Armstrong |
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Rosemary La Planche as Betty Fairfield |
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Claire James as Princess Alura [Chs. 3-6, 9-11, 15] |
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Joe Brown Jr. as Billy Fairfield (as Joe Brown) |
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Pierre Watkin as Uncle Jim Fairfield |
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Wheeler Oakman as Prof. Hobart Zorn |
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Jack Ingram as Henchman Blair |
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Eddie Parker as Henchman Slade |
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Hugh Prosser as Vic Hardy |
| Directing | Wallace Fox | Director |
| Writing | George H. Plympton | Story |
| Writing | Arthur Hoerl | Screenplay |
| Writing | Lewis Clay | Screenplay |
| Writing | Royal K. Cole | Screenplay |
| Writing | Leslie Swabacker | Screenplay |
