On screen
Cast
32 credited performers
Reimar Johannes Baur
Johannes Kepler
Trude Bechmann
Keplers Mutter
Kurt Böwe
Tycho Brahe
Karin Gregorek
Margarete
Katharina Thalbach
Ursula Haller
Rolf Hoppe
Rudolf II
Eva-Maria Hagen
Reinboldin
Barbara Dittus
Stadtwächterfrau
Günter Schubert
Stadtwächter
Fred Delmare
Beutelsbacher
Carmen-Maja Antoni
Gerichtsmagd
Friedrich Richter
Michael Mästlin
Günter Junghans
Longomontanus
Karla Runkehl
Kristina Barbara Brahe
Arno Wyzniewski
Character not listed
Martin Trettau
Character not listed
Günter Grabbert
Character not listed
Dieter Franke
Character not listed
Manfred Zetzsche
Character not listed
Friedo Solter
Character not listed
Käthe Reichel
Character not listed
Gerd Ehlers
Character not listed
Erik S. Klein
Character not listed
Carl Heinz Choynski
Character not listed
Gert Gütschow
Character not listed
Hannjo Hasse
Character not listed
Jörg Panknin
Character not listed
Ernst Meincke
Character not listed
Artwork unavailable
Thomas Langhoff
Character not listed
Artwork unavailable
Jan Bereska
Character not listed
Artwork unavailable
Jörg Knochée
Character not listed
Werner Dissel
Richter