Cast
- Errol Flynn as Sebastian Dubrok
- Ida Lupino as Gemma Smith
- Eleanor Parker as Fenella MacLean
- Gig Young as Caryl Dubrok
- Reginald Denny as Mr. MacLean
- Isobel Elsom as Mrs. MacLean
- Albert Bassermann as Professor Heinrich
- Ludwig Stössel as Mr. Steinach
- Milada Mladova as Natrova
- George Zoritch as The Dancer
Crew
- Peter Godfrey · Director
- Thames Williamson · Writer
- Margaret Kennedy · Writer
- Henry Blanke · Producer
- Erich Wolfgang Korngold · Composer
- Sol Polito · Cinematographer
- Clarence Kolster · Editor