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