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Stoyan Aleksiev as Prof. Radoslav Radev |
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Георги Калоянчев as Bay Denyo |
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Katerina Evro as Katerina |
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Iossif Surchadzhiev as Strezov |
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Yordan Spirov as The Teacher |
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Dimo Kolarov as Simo |
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Zhivko Garvanov as Prof. Strashimirov |
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Стефан Илиев as Dr. Alexiev |
| Costume & Make-Up | Elena Demyakova | Costume Design |
| Editing | Yordanka Bachvarova | Editor |
| Directing | Rangel Vulchanov | Director |
| Camera | Radoslav Spassov | Director of Photography |
| Sound | Kiril Donchev | Original Music Composer |
| Writing | Georgi Danailov | Writer |
| Writing | Rangel Vulchanov | Writer |
