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Леонид Хмара as Narrator (voice) |
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Александр Мгебров as (uncredited) |
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Николай Дмитриев as Butlerov (uncredited) |
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Сергей Евлахишвили as Pierre Curie (uncredited) |
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Марьяна Сафонова as Marie Curie (uncredited) |
| Directing | Павел Клушанцев | Director |
| Editing | Е. Радионова | Editor |
| Writing | Vladimir Gryaznov | Writer |
| Crew | V. Kravtsov | Scientific Consultant |
| Crew | Nina Goryunova | Scientific Consultant |
| Crew | Dmitriy Nasledov | Scientific Consultant |
| Camera | Михаил Гальпер | Director of Photography |
| Camera | Анатолий Лаврентьев | Director of Photography |
| Art | Михаил Цыбасов | Production Design |
| Visual Effects | G. Yershov | Animation Director |
| Camera | N. Petrova | Director of Photography |
| Directing | S. Zaborovskiy | Assistant Director |
| Sound | Сергей Шатирян | Original Music Composer |
| Sound | R. Levitina | Sound Director |
| Production | L. Pivovarov | Executive Producer |
| Writing | Ye. Mandelshtam | Script Editor |