Cast
- Merle Oberon as Ruby Armine
- George Brent as Nigel Armine
- Charles Korvin as Mahoud Baroudi
- Paul Lukas as Sir Meyer Isaacson
- Lenore Ulric as Marie
- Arnold Moss as Ahmed Effendi
- Robert Capa as Hamza
- Aubrey Mather as Dr. Harding
- Ludwig Stössel as Dr. Mueller
- André Charlot as Prof. Dupont
Crew
- Irving Pichel · Director
- Robert Thoeren · Writer
- Robert Hichens · Writer
- James B. Fagan · Writer
- Edward Small · Producer
- Daniele Amfitheatrof · Composer
- Lucien Ballard · Cinematographer
- Ernest J. Nims · Editor