The Sign of Four
1983, English. Directed by Desmond Davis.
Sherlock Holmes and Dr. Watson try to track down the Great Mogul, the second-largest diamond in the world.
- Runtime
- 1h 37m
- Post-credits
- None listed
- Language
- English
- Rated
- NR
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Where to watch The Sign of Four
The Sign of Four is streaming on Amazon Prime Video in India.
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Fandango At HomeAvailability in India as of 13 November 2026. Streaming data by JustWatch.
Part of a series
Sherlock Holmes (Ian Richardson): watch order
Cast & crew
- Desmond DavisDirector
- Ian RichardsonSherlock Holmes
- David HealyDr. John Watson
- Thorley WaltersMajor John Sholto
- Michael O'HaganMordecai Smith
- Cherie LunghiMary Morstan
- Joe MeliaJonathan Small
- Terence RigbyInspector Layton
- Clive MerrisonBartholomew Sholto
- Richard HefferThaddeus Sholto
- John BenfieldMcMurdo
- Gordon RollingsMr. Sherman
- John PedrickTonga
Details
- Released
- 6 December 1983
- Country
- United Kingdom
- Written by
- Charles Edward Pogue
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News & fan talk
What The Sign of Four is based on
The Sign of Four is based on The Sign of Four (1890) by Arthur Conan Doyle, published by Lippincott's Monthly Magazine.
1890
The Sign of Four
By Arthur Conan Doyle
Published by Lippincott's Monthly Magazine
Source details from Wikidata and TMDB.
Watch before The Sign of Four
In release order. The films it follows, and anything it builds on.
If you liked The Sign of Four
The Sign of Four
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The Sign of Four: quick answers
What should I watch before The Sign of Four?
Watch The Hound of the Baskervilles (1983) first.
Is The Sign of Four worth watching?
The Sign of Four doesn’t have enough ratings for a verdict yet.
How long is The Sign of Four?
The Sign of Four runs 97 minutes (1h 37m).
Does The Sign of Four have a post-credits scene?
None is listed for The Sign of Four. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
The Sign of Four parents guide: is it suitable for kids?
The Sign of Four is rated NR in India. Check the rating guidance before watching with young children.
Which OTT platform is The Sign of Four on?
The Sign of Four is streaming on Amazon Prime Video in India. (Checked 13 November 2026.)
What movies are like The Sign of Four?
If you liked The Sign of Four, try The Sign of Four, The Adventures of Sherlock Holmes and Dr. Watson: The Hound of the Baskervilles - Part 1, Enola Holmes 3.
Who directed The Sign of Four?
The Sign of Four (1983) was directed by Desmond Davis and stars Ian Richardson, David Healy, Thorley Walters.
What is The Sign of Four based on?
The Sign of Four is based on The Sign of Four (1890) by Arthur Conan Doyle, published by Lippincott's Monthly Magazine.