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