All Cast

Peter O'Toole

Peter O'Toole

Sherlock Holmes (voice)

Ron Haddrick

Ron Haddrick

Dr. Mortimer (voice)

Earle Cross

Earle Cross

Dr. Watson (voice)

Helen Morse

Helen Morse

Beryl Stapleton (voice)

Robin Stewart

Robin Stewart

Jack Stapleton (voice)

Moya O'Sullivan

Moya O'Sullivan

Mrs. Barrymore (voice)

Phillip Hinton

Phillip Hinton

(voice)