Cast
- Heidi Kabel as Lisa Boysen
- Heidi Mahler as Katja Boysen
- Willy Millowitsch as Wilhelm Schulze
- Susanne Beck as Manuela Schulze
- Peter Carsten as Schiffsagent Schröder
- Gernot Endemann
- Dieter Eppler as Jens Rollin
- Ernst Fritz Fürbringer as Dr.Möller
- Gerda Gmelin as Isolde Zenker
- Fritz Hollenbeck