(no Watson picture)

Adaptation

The Hound of the Baskervilles

This Film was released on 01 October 1978, by Michael White.
IMDb: The Hound of the Baskervilles 
Letterboxd: The Hound of the Baskervilles 

Canon basis: The Hound of the Baskervilles

Sherlock Holmes played by: Peter Cook
Dr. Watson played by: Dudley Moore

Turn on <canvas>.
Cast
Peter Cook as Sherlock Holmes
Dudley Moore as Dr. John H. Watson
Irene Handl as Mrs. Barrymore
Max Wall as Arthur Barrymore
Kenneth Williams as Sir Henry Baskerville
Hugh Griffith as Frankland
Terry-Thomas as Dr. James Mortimer
Geoffrey Moon as Perkins
Roy Kinnear as Selden
Joan Greenwood as Beryl Stapleton
Denholm Elliott as Jack Stapleton
Helena McCarthy as Enid
Dana Gillespie as Mary Frankland
Prunella Scales as Glynis
Lucy Griffiths as Iris
Ava Cadell as Marsha
Penelope Keith as Massage Receptionist
Mohammad Shamsi as Masseuse
Patsy Smart as Masseuse
Rita Webb as Elder Masseuse
Josephine Tewson as Nun
Vivian Neves as Nun
Jacquie Stevens as Nun
Mollie Maureen as Mrs. Oviatt
Spike Milligan as Policeman
Maxwell Craig as Policeman
Sidney Johnson as Rail Passenger
Pearl Hackney as Rail Passenger
Anna Wing as Sausage and Mash Lady
Henry Woolf as Shopkeeper
Jessie Matthews as Mrs. Tinsdale