Cast
- Georg Thomalla as Dr. Robert Stegemann
- Hannelore Elsner as Brigitte 'Biggi' Stegemann
- Jürgen Wölffer as Jochen Siebert
- Friedrich Schoenfelder as Dr. Leopold Walter
- Hans Georg Panczak as Willy Raschinsky
- Ruth Nimbach as Frau Winkler
- Gerd Prager as Ober