 Zdeněk ŠtěpánekCaptain Vladimír Abajev | Captain Vladimír Abajev |
 František SmolíkAnthony Hopkins, Mathematician | Anthony Hopkins, Mathematician |
 Dana MedřickáNina Kirová, Sociologist | Nina Kirová, Sociologist |
 Irena KačírkováBrigitta | Brigitta |
 Radovan LukavskýCommander MacDonald | Commander MacDonald |
 Otto LackovičMichal, Coordinator | Michal, Coordinator |
 Miroslav MacháčekMarcel Bernard | Marcel Bernard |
 Jiří VršťalaErik Svenson, Pilot | Erik Svenson, Pilot |
 Rudolf DeylErvin Herold, Pilot | Ervin Herold, Pilot |
 Jaroslav MarešMilek Wertbowsky | Milek Wertbowsky |
 Martin ŤapákPetr Kubeš, Biologist | Petr Kubeš, Biologist |
| MMarcela MartínkováŠtefa, Wertbowsky's wife | Štefa, Wertbowsky's wife |
 Jozef AdamovičZdeněk Lorenc, Coordinator | Zdeněk Lorenc, Coordinator |
| JJaroslav RozsívalThe Ship's Doctor | The Ship's Doctor |
| RRůžena VyskočilováEva, Historian | Eva, Historian |
 Svatava HubeňákováRena, MacDonald's wife | Rena, MacDonald's wife |
| JJan CmíralCrewmember | Crewmember |
| VVáclav IrmanovCoordinator | Coordinator |
| EEva CedlováCoordinator (uncredited) | Coordinator (uncredited) |
| ZZdena BorovičkováCoordinator (uncredited) | Coordinator (uncredited) |
| VVladimír NavrátilCoordinator (uncredited) | Coordinator (uncredited) |
| VV. MalákováCoordinator (uncredited) | Coordinator (uncredited) |
| JJ. VicherkováCoordinator (uncredited) | Coordinator (uncredited) |
 Ladislav MrkvičkaRomeo in Movie (uncredited) | Romeo in Movie (uncredited) |
| HHana PražanováJulie in Movie (uncredited) | Julie in Movie (uncredited) |
| JJiří CejnekCrewmember (uncredited) | Crewmember (uncredited) |
 Věra KřesadlováCrewmember (uncredited) | Crewmember (uncredited) |
| KKarel DubaCrewmember (uncredited) | Crewmember (uncredited) |
| GGustav VobornikCrewmember (uncredited) | Crewmember (uncredited) |
| OOlga NavrátilováCrewmember (uncredited) | Crewmember (uncredited) |
