The play shows George, played by Gatiss, fall prey to a mystery illness Sherlock star Mark Gatiss gives a "tour ... according to The Guardian's critic Kate Maltby. The Telegraph's Dominic ...

Richard Coles and Mark Gatiss share a passion for ghosts, but one is a believer and one a sceptic. Now the two of them are going ghost-hunting. Can they see a real life phantom? Show more Mark ...