Olga Gromova
Alisa Seleznyova (voice)
Vsevolod Larionov
Pr. Seleznev / Сhatterer (voice)
Yuri Volyntsev
Captain Zelyony (voice)
Vasiliy Livanov
Gromozeka (voice)
Grigoriy Shpigel
Jollier Oo (voice)
Igor Yasulovich
Earer (voice)
Rina Zelyonaya
Old Lady at the Spaceport (voice) (uncredited)
Vladimir Druzhnikov
Captain Kim (voice)
Vladimir Kenigson
Robot at Shelezyaka Planet (voice)
Nikolay Grabbe
Captain Buran (voice)
Pyotr Vishnyakov
Dr. Verkhovtsev / Glot (voice)