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.
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
