Volkmar Kleinert

as Heinrich Groß

as Arthur Kring (3 episodes)

as Prof. Reinhoffer

as Erwin Geige (1 episode), as Erwin Geiger (1 episode)

as Self (1 episode)

as Dr. Klemm

as Tilo von Wilmosky (1944-1957) (3 episodes)

as Günther

as Fred Lenowsky

as Fred Lenowsky

as Günther Hebstreit (1 episode), as Karl Dietze (1 episode)

as Helmut Sonnenthal (1 episode)

as Ulf Brandt (1 episode)

as Albert Jerska

as Franz Steinbauer (1 episode)

as Major Fink

as old Man

as Self (1 episode)

as Karl (1 episode)

as Harry Riemann (1 episode)

as Zeno Bianchi (1 episode)

as Wunderlich

as Joseph Ludowski (1 episode)