Cast
- Constance Bennett as Frances Hawtree
- Constance Bennett as Z-1
- Erich von Stroheim as Valdar
- Erich von Stroheim as Schiller
- Erich von Stroheim as Blecher
- Anthony Bushell as Capt. Arthur Chamberlain
- William Holden as Sir Winston Chamberlain
- William Courtenay as Mr. Yates
- Charlotte Walker as Lady Catherine Chamberlain
- Crauford Kent as General Hewlett
- Ullrich Haupt as German Colonel
- Paul Panzer as 'Kirsch' the Decoy
- Wilhelm von Brincken as Capt. Kugler
Crew
- Roy Del Ruth · Director
- Arthur Caesar · Writer
- Oliver H.P. Garrett · Writer
- Anthony Paul Kelly · Writer
- Darryl F. Zanuck · Producer
- Barney McGill · Cinematographer
- William Holmes · Editor