Constance Bennett
Frances Hawtree / Z-1
Erich von Stroheim
Valdar / Schiller / Blecher
Anthony Bushell
Capt. Arthur Chamberlain
William Courtenay
Mr. Yates
Crauford Kent
General Hewlett
Charlotte Walker
Lady Catherine Chamberlain
William Holden
Sir Winston Chamberlain
Paul Panzer
'Kirsch' the Decoy (uncredited)
Wilhelm von Brincken
Capt. Kugler (uncredited)
Ullrich Haupt
German Colonel (uncredited)
Crew
Roy Del Ruth
Director
Arthur Caesar
Screenplay
Oliver H.P. Garrett
Screenplay
Anthony Paul Kelly
Theatre Play
Darryl F. Zanuck
Producer
William Holmes
Editor
Earl Luick
Costume Design
Barney McGill
Director of Photography
Harry D. Mills
Sound Recordist
Arthur Caesar
Dialogue
Oliver H.P. Garrett
Dialogue
Paul Lamkoff
Original Music Composer
Louis Silvers
Conductor