Doctor Who The Monocled Mutineer Withnail & I
Doctor Who Doctor Who Doctor Who I've never seen him in anything else.
Such a shame he never had more adventures as The Doctor.
Well, in a way he did, in all the Big Finish audio Adventures. He's probably done the equivalent of a couple ofTV seasons now.
Withnail & I Alien3 Doctor Who (more so for the 2013 mini-episode The Night of the Doctor than the regrettable telemovie)
Our Mutual Friend (1998) Sad Cypress (2003) Collision (2009)