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John Loder as Capt. Rufus Grant |
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Noel Madison as Dr. Klee |
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Belle Chrystall as Nora Grayson |
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Leonora Corbett as Herlaine Frank |
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Jerry Verno as Hugo Guppy |
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Davina Whitehouse as Polly |
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Eliot Makeham as Professor Grayson |
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Alexander Sarner as Mr. Vander |
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Melville Crawford as Pete Voss |
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Nigel Barrie as Colonel Lockwood |
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Carl Melene as Monsieur Buckner |
| Directing | Redd Davis | Director |
| Writing | E. Hayter Preston | Writer |
| Camera | Geoffrey Faithfull | Director of Photography |
| Editing | Cecil H. Williamson | Editor |
| Art | R. Holmes Paul | Art Direction |
| Directing | Arthur Barnes | Assistant Director |
| Sound | Hal Fuller | Sound Recordist |
| Sound | Percival Mackey | Music Director |
