Sherlock is produced by Sue Vertue, and the executive producers are Beryl Vertue, Mark Gatiss and Steven Moffat for Hartswood Films, Bethan Jones for BBC Cymru Wales and Rebecca Eaton for Masterpiece.
Sherlock is written and created by Steven Moffat and Mark Gatiss, and inspired by the works of Sir Arthur Conan Doyle.
Sherlock: The Abominable Bride was the most watched program over the festive season with 11.6 million viewers and the highest-ever audience share for a Sherlock episode.
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