In Western Germany, two brothers and their organization help people escape to non-communist Germany. A policeman chasing them falls in love with the sister and feels divided between love and duty.
| Actor | Role |
|---|---|
 Sabine BethmannElsa Wolff | Elsa Wolff |
 Conrado San MartínRichard Wolff | Richard Wolff |
 Gérard TichyCaptain Kramer | Captain Kramer |
 Julio PeñaFrederik | Frederik |
 Julia MartínezJoanna | Joanna |
 Carlos LarrañagaNot listed | Not listed |
 Mariano AzañaNot listed | Not listed |
 Fernando SanchoNot listed | Not listed |