Sherlock: Russell Tovey guest stars

Actor Russell Tovey, best known for playing George in Being Human and who was Alonso in one of the Dr Who specials (allons-y Alonso!), confirmed he is to guest star on series 2 of Sherlock.
He confirms the news on Twitter:

"Yep! I'm gonna be in BBC's Sherlock... Official."

He akso tweeted that he'll be playing Henry in episode 2, The Hounds Of Baskerville, written by Msrk Gatiss and based around the most famous Arthur Conan Doyle Sherlock novel.

Digital Spy reveals that Sherlock and Watson (Benedict Cumberbatch and Martin Freeman) are recuited by Henry after "suffering from a traumatic childhood experience."

So thus concludes my first Sherlock post!