Ikarie XB 1

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

Marcela Martínková

Štefa, Wertbowsky's wife

Jozef Adamovič

Zdeněk Lorenc, Coordinator

Jaroslav Rozsíval

The Ship's Doctor

Růžena Vyskočilová

Eva, Historian

Svatava Hubeňáková

Rena, MacDonald's wife

Jan Cmíral

Crewmember

Václav Irmanov

Coordinator

Eva Cedlová

Coordinator (uncredited)

Zdena Borovičková

Coordinator (uncredited)

Vladimír Navrátil

Coordinator (uncredited)

V. Maláková

Coordinator (uncredited)

J. Vicherková

Coordinator (uncredited)

Ladislav Mrkvička

Romeo in Movie (uncredited)