During World War II, an intelligence officer is dispatched by the U.S. government to arrange an exchange in Argentina of industrial diamonds needed by the Germans for a secret gyroscope needed by the Allies.
Ambassador Henderson Granville
Bobby Ballard
Walter Kendall
Dr. Eugene Lyons
Col. Edmund Pace
Erich Rhinemann
Alex Spaulding
Dr. Azevedo
Lt. Fuentes
Gen. Swanson
Daniel Meehan
David Spaulding
Anna
German scientist
Col. Barton
Franz Altmuller
Sergeant
Geoffrey Moore
Leslie Jenner Hawkewood
Irene