Trailer
 | Ivan Pereverzev as Vasiliy Dokuchaev |
 | Nadezhda Cherednichenko as Anna Egorovna, Dokuchaev's wife |
 | Yuri Puzyryov as Nikolay Sibirtsev |
 | Yevgeni Lebedev as Yegor |
 | Viktor Chekmaryov as Aleksey Yermolov |
 | Serhii Dvoretskyi as Adamov |
 | Aleksandr Mazayev as Minister |
 | Vladislav Strzhelchik as Vitaliy Andreyevich, minister's secretary |
 | Vladimir Volchik as Scientist |
 | Rimma Manukovskaya |
 | Konstantin Adashevsky as (uncredited) |
 | Vladimir Arsentyev as (uncredited) |
 | Aleksandr Afanasev as Gendarme (uncredited) |
 | Lev Stepanov as (uncredited) |
| Directing | |
| Andrey Chiginskiy | Director |
Writing | |
| Igor Vasilkov | Writer |
Camera | |
| Konstantin Pogodin | Director of Photography |
Art | |
| Vladimir Pokrovskiy | Production Design |
Sound | |
| Boris Savelyev | Original Music Composer |
| G. Gudkov | Sound Director |
Editing | |
| O. Palmirina | Editor |
Writing | |
| Volt Suslov | Script Editor |
Production | |
| A. Tarasov | Producer |
