After three British agents are assigned to assassinate a mysterious German spy during World War I, two of them become ambivalent when their duty to the mission conflicts with their consciences.
Madeleine Carroll
Elsa Carrington
John Gielgud
Richard Ashenden / Edgar Brodie
Peter Lorre
The General
Robert Young
Robert Marvin
Percy Marmont
Caypor
Florence Kahn
Mrs. Caypor