Details
Sherlock faces perhaps the most chilling enemy of his long career: the powerful and seemingly unassailable Culverton Smith – a man with a very dark secret indeed.
- Crime, Drama, Mystery
- English
Cast & Crew
- Benedict Cumberbatch , Martin Freeman
- Mark Gatiss, Steven Moffat
- Sue Vertue, Beryl Vertue, Mark Gatiss, Rebecca Eaton, Steven Moffat, Bethan Jones