Canadian Mountie Steve Wagner captures a German Luftwaffe officer on a spy mission, who later escapes from the prison camp. To catch the spy ring, the Mounties employ a ruse so that the spies, believing Steve to be sympathetic, enlist him in their plans.
Errol Flynn
as Corporal Steve Wagner
Julie Bishop
as Laura McBain
Helmut Dantine
as Colonel Hugo von Keller
Gene Lockhart
as Ernst Willis
John Ridgely
as Jim Austen
Tom Tully
as Inspector Barnett
Alec Craig
as Angus McBain
Rose Higgins
as Rose Dagor (uncredited)
Bernard Nedell
as Tom Dagor
Tom Drake
as Heinzmann (uncredited)
Richard Allord
as Jochim Preisser (uncredited)
Warren Douglas
as Sergeant (scenes deleted)
