Yuriy Sarantsev
- Ivan Boyko
- (as Yu. Sarantsev)
Arkadi Tolbuzin
- Kostenko
- (as A. Tolbuzin)
Rolan Bykov
- Vennyk
- (as R. Bykov)
Leonid Pirogov
- professor Garmash
- (as L. Pirogov)
Valentina Ushakova
- Lyusya Garmash
- (as V. Ushakova)
Tatyana Alekseeva
- Vera
- (as T. Alekseyeva)
Yevgenia Yershova
- Grachyova
- (as Ye. Yershova)
Ada Voytsik
- Mariya Vasilyevna
- (as A. Voytsik)
Georgiy Yumatov
- Aleksey Kravchuk
- (as G. Yumatov)
Muza Krepkogorskaya
- Tonya
- (as M. Krepkogorskaya)
Mikhail Belousov
- Grachyov
- (as M. Belousov)
Arkadiy Borisoglebskiy
- Borisoglebskiy
- (as M. Borisoglevskiy)
