Prof. Eisenach
Ervin Knausmyuller
Petya
Aleksei Zharkov
Elena Ivanovna [Director of the summer camp]
Lyudmila Skopina
Gardener
Nikolai Yudin
german soldier
Heinz Braun
Paul
Tito Romalio
Pastor
Boris Vinogradov
Tolya
Eduard Izotov
Prof. Abridge
Ralph Parker
Ineko
Ikuoko Ôba
Prof. Innokentyev
Lev Zolotukhin
Scenario Writer
Iosif Prut
Director
Mark Donskoy
Irina Donskaya
Music
Pavel Chekalov
Art Designer
Pyotr Pashkevich
Camera Operator
Mikhail Yakovich