Russel Waters
From The Arthur Conan Doyle Encyclopedia

Russel Waters (10 june 1908 - 1982) was a Scottish actor who played Mac Leod in 1954 in episode The Case of the Pennsylvania Gun of the TV series Sherlock Holmes (1954-1955) with Ronald Howard as Sherlock Holmes.
TV
- 1954 : Sherlock Holmes: The Case of the Pennsylvania Gun (as Mac Leod)