Oldřich Lukeš

Prof. Harringway Hawling

Acting

Ignacy Machowski

Prof. Saltyk

Acting

Julius Ongewe

Talua, afrikanischer Fernsehtechniker

Acting

Mikhail Postnikov

Prof. Arsenew

Acting

Kurt Rackelmann

Prof. Sikarna

Acting

Günther Simon

Robert Brinkmann, deutscher Pilot

Acting

Hua-Ta Tang

Dr. Tchen Yu

Acting

Lucyna Winnicka

Joan Moran

Acting

Yoko Tani

Sumiko Ogimura, japanische Ärztin

Acting

Ruth-Maria Kubitschek

Frau Arsenjew

Acting

Eva-Maria Hagen

Reporterin

Acting

Karen Fredersdorf

Acting

Gertraud Kreissig

Acting

Nico Turoff

Acting

Werner Senftleben

Acting

Eduard von Winterstein

Weimann, Kernphysiker

Acting

Stanisław Igar

Scientist (uncredited)

Acting

Artur Młodnicki

Scientist (uncredited)

Acting

Józef Pieracki

Scientist (uncredited)

Acting