A mysterious magnetic spool found during a construction project is discovered to have originated from Venus. A rocket expedition to Venus is launched to discover the origin of the spool and the race that created it.
Prof. Harringway Hawling
Oldřich Lukeš
Prof. Saltyk
Ignacy Machowski
Talua, afrikanischer Fernsehtechniker
Julius Ongewe
Prof. Arsenew
Mikhail Postnikov
Prof. Sikarna
Kurt Rackelmann
Robert Brinkmann, deutscher Pilot
Günther Simon
Dr. Tchen Yu
Hua-Ta Tang
Joan Moran
Lucyna Winnicka
Sumiko Ogimura, japanische Ärztin
Yoko Tani
Frau Arsenjew
Ruth-Maria Kubitschek
Reporterin
Eva-Maria Hagen
Binkmans Mutter
Karen Fredersdorf
Funker
Werner Senftleben
Wüstenarbeiter (uncredited)
Nico Turoff
Weimann, Kernphysiker
Eduard von Winterstein
Scientist (uncredited)
Stanisław Igar
Scientist (uncredited)
Artur Młodnicki
Scientist (uncredited)
Józef Pieracki
Chinese
San Din Tscho
(Voice)
Danuta Szaflarska
Bit Part
Lieselotte Schmook
Bit Part
Paul Paulsen
Sekretarin
Barbara Leonhard
Afrikanischer Funker
Omani Mensah
wissenschaftler
Horst Shafer
Bit Part
Vera Oelschlegel
Chinese
Erich Lie
Bit Part
Hans Ulrich Laufer
Reporter
Gertraud Kreissig
Bit Part
Heinz Kögel
Bit Part
Peter Kiwitt
Bit Part
Karl-Helge Hofstadt
Reporter
Fritz Decho
Bit Part
Karl Brenk
Bit Part
Christoph Beyertt
Bit Part
Fredy Barten
Bit Part
Klaus Bamberg