Directed by
| Redd Davis | ||
Writing Credits
| E. Hayter Preston | ... | (story) (as Hayter Preston) |
| E. Hayter Preston | ... | (scenario) (as Hayter Preston) |
Cast (in credits order)
| John Loder | ... | Capt. Rufus Grant | |
| Noel Madison | ... | Dr. Klee | |
| Belle Chrystall | ... | Nora Grayson | |
 |
Leonora Corbett | ... | Helaine Frank |
| Jerry Verno | ... | Hugo Guppy | |
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Davina Craig | ... | Polly |
| Eliot Makeham | ... | Professor Grayson (as Elliot Makeham) | |
|
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Alexander Sarner | ... | Mr. Vander |
|
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Melville Crawford | ... | Pete Voss |
| Nigel Barrie | ... | Colonel Lockwood | |
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Karl Melene | ... | Monsieur Bruckner (as Carl Meline) |
| Rest of cast listed alphabetically: | |||
|
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Cecil Bevan | ... | Dockside Agent (uncredited) |
Produced by
| Neville Carter | ... | producer (uncredited) |
| Ralph C. Wells | ... | producer (uncredited) |
Cinematography by
| Geoffrey Faithfull | ... | (photography) |
Editing by
| Cecil H. Williamson | ... | (as Cecil Williamson) |
Art Direction by
| R. Holmes Paul | ||
Second Unit Director or Assistant Director
| Arthur Barnes | ... | assistant director |
Sound Department
| Hal Fuller | ... | recordist |
Music Department
| Percival Mackey | ... | musical director |
| Percival Mackey Orchestra | ... | music by (as Percival Mackey and his orchestra) |
Additional Crew
| Neville Carter | ... | under the personal supervision of |
| Ralph C. Wells | ... | under the personal supervision of |
