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Արմեն Բորիսի Ջիգարխանյան as Professor Radev |
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Itzhak Finzi as Dragiev |
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Nikolai Binev as Lazarov |
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Katya Paskaleva as Snezha |
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Nevena Kokanova as |
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Bella Tsoneva as |
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Рашко Младенов as |
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Ivan Kondov as Professor Dimov |
| Writing | Irina Aktasheva | Writer |
| Directing | Hristo Piskov | Director |
| Directing | Irina Aktasheva | Director |
| Editing | Donka Dimcheva | Editor |
| Camera | Леонид Калашников | Director of Photography |
| Sound | Kiril Donchev | Original Music Composer |
