Mir v tryokh izmereniyakh
Inna Vykhodtseva
- Lidiya Petrovna
- (as I.Vykhodtseva)
Viktor Shulgin
- Stepan Boyaryshev
- (as V. Shulgin)
Yana Drouz
- Varya -doch Boyarysheva
- (as Ya. Druz)
Sergei Volkosh
- Pyotr
- (as S. Volkosh)
Igor Kudryashov
- Kolya
- (as I. Kudryashov)
Mikhail Zimin
- Yegor Korablyov - otets
- (as M. Zimin)
Boris Nevzorov
- Anatoliy Korablyov
- (as B. Nevzorov)
Pavel Makhotin
- professor Antonov
- (as P. Makhotin)
Aleksandr Parra
- Lebedyantsev - direktor zavoda
- (as A. Parra)
Vladimir Balon
- professor Buaye
- (as V. Ballon)
Boris Gusakov
- Glavniy inzhener
- (as B. Gusakov)
Andrey Nikolaev
- Sasha Korablyov
- (as A. Nikolayev)
Andrey Gradov
- Slava - priyatel Sashi
- (as A. Gradov)
Yuriy Dubrovin
- Zavodila
- (as Yu. Dubrovin)
Irina Nechaeva
- Sekretar
- (as I. Nechayeva)