In the near future, a friendly exploratory mission to Earth from the planet Zenturia crashes on Mars's moon Phobos, and cosmonauts from the USSR are sent to the difficult and dangerous rescue.
| Actor | Role |
|---|---|
 Larisa GordeichikCosmonaut Tanya Krilova | Cosmonaut Tanya Krilova |
 Boris BorisenokCosmonaut Andrei Sayenko | Cosmonaut Andrei Sayenko |
 Otar KoberidzeCosmonaut Ivan Batalov | Cosmonaut Ivan Batalov |
 Peeter KardFlight Commander | Flight Commander |
| AAleksei GenesinPol | Pol |
 Nikolai TimofeyevProject Administrator Krilov | Project Administrator Krilov |
 Nikolai Volkov St.Doctor Laungton | Doctor Laungton |
 Vitold JanpavlisNarrator (voice) | Narrator (voice) |
 Leonid ChinidzhantsNot listed | Not listed |
| AAlexei KorotyukovNot listed | Not listed |
| SSemyon KrupnikNot listed | Not listed |
 Vasiliy VekshinNot listed | Not listed |
 Vyacheslav VoroninNot listed | Not listed |