The fourth part of the Soviet TV series based on Arthur Conan Doyle's stories about Sherlock Holmes. The film was shot based on the story "The Sign of Four" and the story "A Scandal in Bohemia".
| Directing | Igor Maslennikov | Series Director |
| Writing | Igor Maslennikov | Screenplay |
| Writing | Arthur Conan Doyle | Novel |
| Production | A. Metelitsa | Administration |
| Production | A. Naumovich | Administration |
| Production | L. Petrov | Administration |
| Sound | Vladimir Dashkevich | Original Music Composer |
| Editing | Lyudmila Obrazumova | Lead Editor |
| Art | Berta Manevich | Production Design |
| Costume & Make-Up | Nelli Lev | Costume Design |
| Costume & Make-Up | Lyudmila Eliseeva | Makeup Designer |
| Costume & Make-Up | Lila Zavyalova | Makeup Artist |
| Production | Evgeniya Dikhnova | Production Manager |
| Directing | M. Ivanova | Assistant Director |
| Directing | Tatyana Komarova | Assistant Director |
| Directing | Viktor Sergeev | Co-Director |
| Directing | Arkadiy Tigay | Co-Director |
| Directing | Natalya Yashpan | Assistant Director |
| Art | N. Usanova | Property Master |
| Art | Rimma Shtil | Decorator |
| Sound | Asya Zvereva | Sound Director |
| Visual Effects | Yuriy Dudov | Visual Effects Camera |
| Visual Effects | Viktor Okovityy | VFX Artist |
| Camera | Alik Nasyrov | Camera Operator |
| Lighting | Evgeniy Stepanov | Gaffer |
| Camera | Aleksandr Ustinov | Assistant Camera |
| Camera | Yuri Veksler | Director of Photography |
| Costume & Make-Up | I. Kunina | Assistant Costume Designer |
| Costume & Make-Up | Nelli Svetchina | Costumer |
| Editing | Svetlana Smolina | Assistant Editor |
| Sound | Aleksandr Dmitriev | Conductor |
| Writing | Nikita Chirskov | Script Editor |