Two young university students wish to escape the oppressive Soviet Union. But their plans are monitored by the KGB, who try to intimidate them. One of them is taken into custody and tortured, which spurs them to make an escape attempt that could cost them their lives
| Actor | Role |
|---|---|
 Laurence HarveyMajor Kirsanov | Major Kirsanov |
 Josephine ChaplinNina Kaplan | Nina Kaplan |
 John IrelandJacob Kagan | Jacob Kagan |
 Lila KedrovaSarah Kaplan | Sarah Kaplan |
 Jack HawkinsBaburin | Baburin |
 Clive RevillThe Drunkard | The Drunkard |
 Yehuda BarkanYasha Bazarov | Yasha Bazarov |
 Yehuda EfroniRomek | Romek |
 Peter CapellProf. Abramowiz | Prof. Abramowiz |
 Gila AlmagorThe Judge | The Judge |
 Ewa StrömbergKatia | Katia |
 Herbert FuxNot listed | Not listed |
| HHartmut HinrichsNot listed | Not listed |
| JJohanna KönigNot listed | Not listed |
 Sacha PitoëffNot listed | Not listed |
| Ewa StrömbergNot listed | Not listed |
 Jean-Pierre ZolaNot listed | Not listed |