Directed by
| Yakov Bazelyan | ... | (as Ya. Bazelyan) |
Writing Credits (in alphabetical order)
| Lilyana Nemenova | ... | (as L. Nemenova) |
Cast (in credits order)
| 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) | |
| Rest of cast listed alphabetically: | |||
| Mikhail Belousov | ... | Grachyov (as M. Belousov) | |
|
|
Arkadiy Borisoglebskiy | ... | Borisoglebskiy (as M. Borisoglevskiy) |
| Kirill Lavrov | ... | (as K. Lavrov) | |
|
|
Vanya Zakharzhevskiy | ... | Bolnoy malchik |
Music by
| Yevgeni Zubtsov | ... | (as Ye. Zubtsov) |
Cinematography by
| Mikhail Chyornyj | ... | (as M. Chyornyy) |
Editing by
| Olga Kizimovskaya | ... | (as O. Kizimovskaya) |
Production Design by
| Viktor Migulko | ... | (as V. Migulko) |
Production Management
| S. Yaroslavtsev | ... | production manager |
Sound Department
| Nina Avramenko | ... | sound engineer (as N. Avramenko) |
Special Effects by
| N. Abramov | ... | special effects |
| Nikolay Ilyushin | ... | special effects operator (as N. Ilyushin) |
Music Department
| Konstantin Simeonov | ... | conductor (as K. Simeonov) |
