Hans-Peter Minetti

as Paul Schröder

as Berggeist

as Lehnert

as Der Gelehrte

as Orilus

as Jörg

as Major der Volkspolizei

as Narrator (voice)

as Wilhelm Boer

as Lehrer Kern

as Alfred Hirschburg

as Fiete Jansen

as Hubertus Fahrenbach

as Christian Friedrich Henrici

as Dr. Laudin

as Ernst Demmin

as Prof. Datford