A case of blackmail threatens to topple the monarchy itself, but soon Sherlock and John discover there is more to it than meets the eye: international terrorism, rogue CIA agents, and a secret conspiracy involving the British government.
- Mystery
- Year 2012
- 89 min
- Cast
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Benedict Cumberbatch
Sherlock Holmes
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Martin Freeman
Dr John Watson
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Una Stubbs
Mrs Hudson
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Rupert Graves
DI Lestrade
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Mark Gatiss
Mycroft Holmes
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Andrew Scott
Jim Moriarty
-
Louise Brealey
Molly Hooper
- Crew
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Sue Vertue
Producer