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John Stuart
Sir Henry Baskerville

Robert Rendel
Sherlock Holmes

Frederick Lloyd
Dr. Watson

Heather Angel
Beryl Stapleton

Reginald Bach
Stapleton

Wilfred Shine
Dr. Mortimer

Sam Livesey
Sir Hugo Baskerville

Henry Hallett
Barrymore

Sybil Jane
Mrs. Barrymore

Elizabeth Vaughan
Mrs. Laura Lyons