The first part of the Soviet series of television films based on the stories of Arthur Conan Doyle about Sherlock Holmes, filmed in 1979. The film consists of two parts and was filmed based on the story "The Speckled Band" (1st part "The Acquaintance") and the novella "A Study in Scarlet" (beginning of the 1st part and the 2nd part "Bloody Inscription").
| Writing | Yuli Dunsky | Screenplay |
| Writing | Valeri Frid | Screenplay |
| Production | Evgeniya Dikhnova | Administration |
| Production | Georgiy Mautkin | Administration |
| Production | Irina Perelanina | Administration |
| Sound | Vladimir Dashkevich | Original Music Composer |
| Editing | Lyudmila Obrazumova | Lead Editor |
| Art | Mark Kaplan | Production Design |
| Costume & Make-Up | Nelli Lev | Costume Design |
| Costume & Make-Up | Lyudmila Eliseeva | Makeup Designer |
| Production | Grigori Prusovsky | Production Manager |
| Directing | L. Grigoryeva | Assistant Director |
| Directing | A. Morozova | Assistant Director |
| Directing | Viktor Sergeev | Co-Director |
| Directing | Natalya Yashpan | Assistant Director |
| Art | Vladislav Orlov | Decorator |
| Sound | Boris Andreyev | Sound Director |
| Sound | Asya Zvereva | Sound Director |
| Visual Effects | Yuriy Borovkov | VFX Artist |
| Visual Effects | Viktor Okovityy | VFX Artist |
| Visual Effects | Vitaliy Volchanskiy | Visual Effects Camera |
| Crew | Mikhail Vorobyov | Stunts |
| Crew | Mikhail Vorobyov | Animal Wrangler |
| Camera | V. Grigoryev | Assistant Camera |
| Camera | Alik Nasyrov | Camera Operator |
| Lighting | Evgeniy Stepanov | Gaffer |
| Camera | Yuri Veksler | Director of Photography |
| Costume & Make-Up | Anzhela Sapunova | Assistant Costume Designer |
| Sound | Aleksandr Dmitriev | Conductor |
| Writing | Nikita Chirskov | Script Editor |
| Directing | Igor Maslennikov | Series Director |
| Writing | Arthur Conan Doyle | Novel |
