Characters played by Arthur Wontner
Sherlock Holmes
Characters played by Ian Fleming
Dr. Watson
Characters played by Lyn Harding
Moriarty
Characters played by John Turnbull
Inspector Lestrade
Characters played by Robert Horton
Colonel Ross
Characters played by Lawrence Grossmith
Sir Henry Baskerville
Characters played by Judy Gunn
Diana Baskerville
Characters played by Arthur Macrae
Jack Trevor
Characters played by Arthur Goullet
Moran
Characters played by Martin Walker
Straker
Characters played by Eve Gray
Mrs. Straker
Characters played by Gilbert Davis
Miles Stanford
Characters played by Minnie Rayner
Mrs. Hudson
Characters played by D.J. Williams
Silas Brown
Characters played by Ralph Truman
Bert Prince
Characters played by O.B. Clarence
Estate Agent
Characters played by Syd Crossley
Sam Silver
Characters played by Danny Green
Barton - Moriarty's Henchman
Characters played by Aubrey Mallalieu
Doctor at Stables
Characters played by Ronald Shiner
Simpson - Stable Boy