Top Cast
Helmut Käutner
Professor
Yvonne Furneaux
Professor's Wife
Paul Hubschmid
Professor's Friend
Peter Vogel
Professor's Friend
Friedhelm Lehmann
Professor's Friend
Christiane Hörbiger
Professor's Assistant
Dominique Müller
Professor's Daughter
Charlotte Kerr
Alexander Allerson
Willibald Eser
Anita Mally
