Mikhail Zimin

as Director

as Sergey Gorbonos

as Chernomor (voice)

as Vyazemskiy

as Vadim Andreyevich

as Роман Борисович Буйносов

as professor Tikhomirov

as Павел Батарцев (управляющий строительным трестом)

as Semyon Petrovich

as Danilenko