Rostislav Plyatt
From The Arthur Conan Doyle Encyclopedia

Rostislav Y. Plyatt (13 december 1908 - 30 june 1989) was a Russian actor who played Sherlock Holmes on the Radio show Tchelovek v Kebe. Tayana Torfyanih Bolot (A Man in the Cab. The Secret of the Moor) in 1957, which is an adaptation of The Hound of the Baskervilles.
Radio