Oldřich Lukeš
Prof. Harringway Hawling
Oldřich Lukeš
Prof. Harringway Hawling
Ignacy Machowski
Prof. Saltyk
Julius Ongewe
Talua, afrikanischer Fernsehtechniker
Mikhail Postnikov
Prof. Arsenew
Kurt Rackelmann
Prof. Sikarna
Günther Simon
Robert Brinkmann, deutscher Pilot
Hua-Ta Tang
Dr. Tchen Yu
Lucyna Winnicka
Joan Moran
Yoko Tani
Sumiko Ogimura, japanische Ärztin
Ruth-Maria Kubitschek
Frau Arsenjew
Eva-Maria Hagen
Reporterin
Karen Fredersdorf
Gertraud Kreissig
Nico Turoff
Werner Senftleben
Eduard von Winterstein
Weimann, Kernphysiker
Stanisław Igar
Scientist (uncredited)
Artur Młodnicki
Scientist (uncredited)
Józef Pieracki
Scientist (uncredited)
Kurt Maetzig
Director
Stanisław Lem
Novel
Hieronim Przybył
Assistant Director
Jan Olejniczak
Assistant Camera
Anatol Radzinowicz
Production Design
Lech Kunka
Assistant Production Design
Tadeusz Myszorek
Assistant Production Design
Ryszard Potocki
Assistant Production Design
Krzysztof Szlifirski
Music Arranger
Edward Zajiček
Production Manager
Henryk Szlachet
Assistant Production Manager
Andrzej Markowski
Original Music Composer
Joachim Hasler
Director of Photography
Lena Neumann
Editor
Elli-Charlotte Löffler
Costume Design
Jan Fethke
Writer
Alexander Stenbock-Fermor
Writer
Günter Reisch
Writer
Günther Rücker
Writer
Wolfgang Kohlhaase
Writer
Kurt Maetzig
Writer