Sir Charles Baskerville dies on the moor under mysterious circumstances and rumors abound about a demonic hound. When the American heir arrives to take charge, a family friend calls in Holmes and Watson to get to the heart of the mystery.
as Sherlock Holmes
as Dr. John Watson
as Sir Charles Baskerville
as Dr. Mortimer
as Barrymore
as Mrs. Barrymore
as Sir Henry Baskerville
as Stapleton
as Purser
as Pageboy
as Perkins
as Beryl Stapleton
as Frankland
as Vicar of Grimpen
as Selden
as Postmistress
as Laura Lyons
as Manservant (uncredited)