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.
Elenco:
Benedict Cumberbatch
,
Martin Freeman
,
Rupert Graves
,
Mark Gatiss
,
Una Stubbs
,
Amanda Abbington
,
Louise Brealey
,
Lars Mikkelsen
,
Mark Gatiss
,
Rupert Graves
,
Russell Tovey
,
Una Stubbs
.
