| Actor | Role |
|---|---|
 Gaby DohmSusanna Hagen | Susanna Hagen |
 Katharina Müller-ElmauJudith Hagen | Judith Hagen |
 Rainer GrenkowitzDr. Georg Stahl | Dr. Georg Stahl |
 Hansa CzypionkaAlexander Bach | Alexander Bach |
 Achim BuchDr. Bergmann | Dr. Bergmann |
 Klaus-Dieter KlebschProfessor Bauer | Professor Bauer |
| KKlaus SchindlerProfessor Wenzel | Professor Wenzel |
 Ernst-Georg SchwillNot listed | Not listed |