Elsa Carrington
Richard Ashenden / Edgar Brodie
The General
Robert Marvin
Caypor
Mrs. Caypor
"R"
Lilli
Man (uncredited)
Colonel Anderson (uncredited)
Manager (uncredited)
Karl (uncredited)
Maid (uncredited)
Army Officer (uncredited)
Army Captain (uncredited)
Coachman (uncredited)
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.