Zdeněk Štěpánek

as Captain Vladimír Abajev

František Smolík

as Anthony Hopkins, Mathematician

Dana Medřická

as Nina Kirová, Sociologist

Irena Kačírková

as Brigitta

Radovan Lukavský

as Commander MacDonald

Otto Lackovič

as Michal, Coordinator

Miroslav Macháček

as Marcel Bernard

Jiří Vršťala

as Erik Svenson, Pilot

Rudolf Deyl

as Ervin Herold, Pilot

Jaroslav Mareš

as Milek Wertbowsky

Martin Ťapák

as Petr Kubeš, Biologist

Marcela Martínková

as Štefa, Wertbowsky's wife

Jozef Adamovič

as Zdeněk Lorenc, Coordinator

Jaroslav Rozsíval

as The Ship's Doctor

Růžena Vyskočilová

as Eva, Historian

Svatava Hubeňáková

as Rena, MacDonald's wife

Jan Cmíral

as Crewmember

Václav Irmanov

as Coordinator

Eva Cedlová

as Coordinator (uncredited)

Zdena Borovičková

as Coordinator (uncredited)

Vladimír Navrátil

as Coordinator (uncredited)

V. Maláková

as Coordinator (uncredited)

J. Vicherková

as Coordinator (uncredited)

Ladislav Mrkvička

as Romeo in Movie (uncredited)

Hana Pražanová

as Julie in Movie (uncredited)

Jiří Cejnek

as Crewmember (uncredited)

Věra Křesadlová

as Crewmember (uncredited)

Karel Duba

as Crewmember (uncredited)

Gustav Vobornik

as Crewmember (uncredited)

Olga Navrátilová

as Crewmember (uncredited)

Olga Schoberová

as Crewmember (uncredited)

Vladimír Štúr

as Crewmember (uncredited)

Miroslav Abrahám

as Crewmember (uncredited)

L. Prokůpek

as Crewmember (uncredited)

R. Junášková

as Crewmember (uncredited)

Renáta Pospíšilová

as Crewmember (uncredited)

Marcela Baťková

as Crewmember (uncredited)

V. Urbánek

as Crewmember (uncredited)

V. Hrabák

as Crewmember (uncredited)

Naděžda Blažíčková

as Dancer (uncredited)

Alena Martinovská

as Dancer (uncredited)

František Halmazňa

as Dancer (uncredited)

Bohumil Klika

as Dancer (uncredited)

Věra Burešová

as Dancer (uncredited)

Jaguše Podešvová

as Dancer (uncredited)

L. Stejskalová

as Dancer (uncredited)

J. Januška

as Navigator (uncredited)

J. Lacina

as Robot (uncredited)

Zdeněk Jelínek

as Pianist (uncredited)

Jan S. Kolár

as Dead Man (uncredited)

Marie Popelková

as Dead Woman (uncredited)

Josef Drbohlav

as Dead Man (uncredited)

D. Kalibová

as Dead Woman (uncredited)

J. Sluštická

as Dead Woman (uncredited)

I. Sigrotová

as Dead Woman (uncredited)

V. Zítko

as Dead Man (uncredited)

B. Kocian

as Dead Man (uncredited)

V. Smolík

as Dead Man (uncredited)

Zdeněk Štěpánek

as Narrator (voice) (uncredited)

Bohumil Bezouška

as Petr Kubeš, Biologist (voice) (uncredited)

Ivo Palec

as Zdeněk Lorenc, Coordinator (voice) (uncredited)

Bohumil Švarc

as Computer (voice) (uncredited)