The Sign of Four (1983): cast, story & where to watch

1983 · Film · ★ 6.9

The Sign of Four poster

Released in 1983, The Sign of Four is a crime, adventure, mystery and tv movie film directed by Desmond Davis, running about 97 minutes.

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

Who’s in it. The Sign of Four stars Ian Richardson as Sherlock Holmes, David Healy as Dr. John Watson, Thorley Walters as Major John Sholto and Michael O'Hagan as Mordecai Smith, among others.

How it landed. With an audience score of 6.9/10, The Sign of Four has drawn a solid, mixed-to-positive response.

Where to watch. Streaming options change often. See the full, country-by-country breakdown on our where to watch The Sign of Four page.

If you liked it. Fans of The Sign of Four tend to enjoy The Shawshank Redemption, The Godfather, The Godfather Part II and The Dark Knight.

Frequently asked

Where can I watch The Sign of Four (1983)?
Streaming, rental and purchase options for The Sign of Four change frequently. Check our where-to-watch page for the latest availability in your country.
Is The Sign of Four worth watching?
The Sign of Four holds an audience score of 6.9 out of 10, and is a strong pick if you enjoy crime, adventure, mystery and tv movie. Reactions are mixed, so it may depend on taste.
Who stars in The Sign of Four?
The Sign of Four stars Ian Richardson, David Healy, Thorley Walters, Michael O'Hagan and Cherie Lunghi.
When was The Sign of Four released?
The Sign of Four was released in 1983, with a runtime of about 97 minutes.