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