A compelling if literal spy thriller by Joseph L. Mankiewicz, with an excellent cast that includes James Mason, Danielle Darrieux, and Michael Rennie. Contemporary reviewers were reminded of Hitchcock (as they always are by any film with pretensions to suspense); this 1952 film has none of the master’s resonance, though its surface effects are fine. The screenplay is by Michael Wilson, the score by Bernard Herrmann. 108 min.