The Sign of Four 41 years old

Sherlock Holmes and Dr. Watson try to track down the Great Mogul, the second-largest diamond in the world.

Credits

Name	Character
Cherie Lunghi She was 31, now 72 years old	as Mary Morstan
Robert Russell	as Williams
Kate Binchy	as Maid
Thorley Walters He was 70, 78 years old when he died	as Major John Sholto
Ian Richardson He was 49, 72 years old when he died	as Sherlock Holmes
Terence Rigby He was 46, 71 years old when he died	as Inspector Layton
John Benfield He was 16, now 24 years old	as McMurdo
David Healy He was 29, 41 years old when he died	as Dr. John Watson
Michael O'Hagan He was 25, 59 years old when he died	as Mordecai Smith
Clive Merrison He was 38, now 79 years old	as Bartholomew Sholto

Name	Department
Desmond Davis as Director. He was 57 (now 98) years old	Directing
Julie Harris as Costume Design. She was 58 (87) years old when She died	Costume & Make-Up
Arthur Conan Doyle as Novel. He was 124 (71) years old when He died	Writing
Marilyn Johnson as Casting. She was 55 (79) years old when She died	Production
Harry Rabinowitz as Music. He was 67 (now 108) years old	Sound
Dennis C. Lewiston as Director of Photography. He was 49 (80) years old when He died	Camera
Eileen Diss as Art Direction. She was 52 (now 93) years old	Art