Zdeněk Štěpánek

Captain Vladimír Abajev

František Smolík

Anthony Hopkins, Mathematician

Dana Medřická

Nina Kirová, Sociologist

Irena Kačírková

Brigitta

Radovan Lukavský

Commander MacDonald

Otto Lackovič

Michal, Coordinator

Miroslav Macháček

Marcel Bernard

Jiří Vršťala

Erik Svenson, Pilot

Rudolf Deyl

Ervin Herold, Pilot

Jaroslav Mareš

Milek Wertbowsky

Martin Ťapák

Petr Kubeš, Biologist

Jozef Adamovič

Zdeněk Lorenc, Coordinator

Svatava Hubeňáková

Rena, MacDonald's wife

Ladislav Mrkvička

Romeo in Movie (uncredited)

Věra Křesadlová

Crewmember (uncredited)

Olga Schoberová

Crewmember (uncredited)

Alena Martinovská

Dancer (uncredited)

Jan S. Kolár

Dead Man (uncredited)

Zdeněk Štěpánek

Narrator (voice) (uncredited)

Bohumil Bezouška

Petr Kubeš, Biologist (voice) (uncredited)

Ivo Palec

Zdeněk Lorenc, Coordinator (voice) (uncredited)

Bohumil Švarc

Computer (voice) (uncredited)