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Reginald Denny as Prof. David Graham |
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Lloyd Hughes as Lieut. Dan Burke |
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Claudia Dell as Diana Sullivan |
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Jim Farley as Chief James A. Sullivan |
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John Elliott as Capt. Bill Withers |
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Barbara Bedford as Kathleen Ryan |
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Mary Foy as Mary Ryan |
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Френсис Сэйлз as Police Surgeon Kelly |
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Эл Сент-Джон as Radio Officer Jones |
| Directing | Bernard B. Ray | Director |
| Writing | John T. Neville | Story |
| Writing | John T. Neville | Screenplay |
