Top cast
Richard Greene
Sir Henry Baskerville
Basil Rathbone
Sherlock Holmes
Wendy Barrie
Beryl Stapleton
Nigel Bruce
Doctor John H. Watson
Lionel Atwill
Dr. James Mortimer
John Carradine
Barryman
Barlowe Borland
Frankland
Beryl Mercer
Mrs. Jennifer Mortimer
Morton Lowry
John 'Jack' Stapleton
Ralph Forbes
Sir Hugo Baskerville
E. E. Clive
London Cabbie John Clayton
Eily Malyon
Mrs. Barryman
