Dudley Moore
Doctor Watson / Mr. Spiggot / Mrs. Ada Holmes / Piano Player
Peter Cook
Sherlock Holmes
Denholm Elliott
Stapleton
Joan Greenwood
Beryl Stapleton
Hugh Griffith
Frankland
Irene Handl
Mrs. Barrymore
Terry-Thomas
Dr. Mortimer
Max Wall
Arthur Barrymore
Kenneth Williams
Sir Henry Baskerville
Roy Kinnear
Selden the Axe Murderer
Dana Gillespie
Mary Frankland
Lucy Griffiths
Iris
Prunella Scales
Glynis
Ava Cadell
Marsha
