U.S. spies catch a Moscow-born U.S. citizen helping spies, and they force him to counterspy.
as Boris Mitrov
as Bob Avery
as Helen Benson
as Colonel Vadja Kubelov
as Frank Sanford
as Bess Harris
as Papa of Boris Mitrov
as Gen. Nikolai Chapayev
as Hans Grünwald
as Otto Bergman
as Tanja Rosnova
as Inspector Jenkins
as Narrator (voice)