In an Iron Curtain country an idealistic student goes on the run from the Communist authorities.
| Actor | Role |
|---|---|
 Roddy McDowallEric Kardin | Eric Kardin |
 Kristine MillerMarlina | Marlina |
 Harry LauterFranz | Franz |
 Rand BrooksCaptain Giorg Nicholoff | Captain Giorg Nicholoff |
 Byron FoulgerProfessor Kardin | Professor Kardin |
 Murray AlperNicholas | Nicholas |
 Marc KrahDouble Agent on Train | Double Agent on Train |
 Kate Drain LawsonMrs. Krechow | Mrs. Krechow |
 Michael VallonOld Man on Train Station | Old Man on Train Station |
| EEffie LairdScrubwoman | Scrubwoman |
 Glen VernonStudent | Student |
 Fred Kohler Jr.Soldier | Soldier |
| BBob PeoplesFirst Lieutenant (uncredited) | First Lieutenant (uncredited) |
 Gil PerkinsFirst Organizer (uncredited) | First Organizer (uncredited) |
| FFred KroneFirst Student (uncredited) | First Student (uncredited) |