Unsterblichkeit
- Episode aired Aug 2, 1972
- 25m
Karl Michael Vogler
- Alpha
- (as Karl-Michael Vogler)
Lilith Ungerer
- Beta
- (credit only)
Arthur Brauss
- Gamma
- (as Art Brauss)
- (credit only)
Gisela Hoeter
- Der Computer
- (voice)
Walter Buschhoff
- Prof. Herbert Mommers
- (as Walter Buschoff)
Heinz Engelmann
- Chef der Organisation
- (voice)
- (uncredited)
Josef Moosholzer
- Mann mit Radio
- (uncredited)
Robert Naegele
- Zoohändler
- (uncredited)
Hartmut Neugebauer
- Mitglied der Organisation
- (voice)
- (uncredited)