Cast
- Algimantas Masiulis as Sherlock Holmes
- Ernst Romanov as Doctor Watson
- Boris Galkin as James
- Irina Pechernikova as Katarina
- Valentina Titova as countess Morcar
- Oleg Korchikov as Breckenridge
- Igor Dmitriev as Maldeley
- Juris Strenga as inspector
- Elena Voloshina as street singer
- Viktor Lebedev as Maldeley's butler