Where to watch The Sign of Four: Sherlock Holmes' Greatest Case (1932) in the UK
The Sign of Four: Sherlock Holmes' Greatest Case (1932) is available to watch free in the UK on Tubi TV. Last verified on 18 May 2026 by ScreenSearch.
A young woman turns to Holmes for protection when she's menaced by an escaped killer seeking missing treasure. However, when the woman is kidnapped, Holmes and Watson must penetrate the city's criminal underworld to find her.
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Cast & crew
Top-billed cast in The Sign of Four: Sherlock Holmes' Greatest Case.
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Arthur WontnerSherlock Holmes -
Isla BevanMary Morstan -
Ian HunterDr. John Watson -
Graham SouttenJonathan Small
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Herbert LomasMaj. John Sholto -
Gilbert DavisDet. Insp. Atherly Jones
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Margaret YardeMrs. Smith -
Roy EmertonThe Tattooed Man
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The Sign of Four: Sherlock Holmes' Greatest Case — frequently asked questions
Where can I watch The Sign of Four: Sherlock Holmes' Greatest Case for free in the UK?
The Sign of Four: Sherlock Holmes' Greatest Case (1932) is available free (with adverts or a TV licence) on Tubi TV in the United Kingdom.
Is The Sign of Four: Sherlock Holmes' Greatest Case on Netflix, Disney+ or Amazon Prime Video in the UK?
The Sign of Four: Sherlock Holmes' Greatest Case is not currently included with any major UK subscription service. It may still be available to rent or buy.
How accurate is this film's availability data?
Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.
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