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Merle Oberon as Ruby |
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George Brent as Nigel Armine |
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Charles Korvin as Mahoud Baroudi |
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Paul Lukas as Sir Meyer Isaacson |
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Lenore Ulric as Marie |
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Arnold Moss as Ahmed Effendi |
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Robert Capa as Hamza |
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Aubrey Mather as Dr. Harding |
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Ludwig Stössel as Dr. Mueller |
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André Charlot as Prof. Dupont |
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Suzanne Cloutier as Yvonne Dupont |
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Gloria Lloyd Roberts as Jean McCormick (as Gloria Lloyd) |
| Directing | Irving Pichel | Director |
| Writing | Robert Hichens | Novel |
| Production | Edward Small | Producer |
| Camera | Lucien Ballard | Director of Photography |
| Editing | Ernest J. Nims | Editor |
| Costume & Make-Up | Jack Pierce | Makeup Artist |
| Costume & Make-Up | Carmen Dirigo | Hairstylist |
| Crew | C. S. Ramsay-Hill | Technical Supervisor |
| Sound | Daniele Amfitheatrof | Music |
| Writing | James B. Fagan | Novel |
| Writing | Robert Thoeren | Screenplay |
| Art | Bernard Herzbrun | Art Direction |
| Art | Hugh Hunt | Set Decoration |
| Costume & Make-Up | Orry-Kelly | Costume Design |
| Directing | Frank Shaw | Assistant Director |
| Sound | Glenn E. Anderson | Sound |
| Costume & Make-Up | Norbert A. Myles | Makeup Artist |
