BBC America dropped its teaser to the Doctor Who Christmas special, which will air after tonight’s episode at 9 pm EST.  This year, Nick Frost, the actor and scribe behind Shaun of the Dead, will co-star as the jolly, white-bearded man in the red suit. Also starring alongside Peter Capaldi and Jenna Coleman will be Michael Troughton (Breathless), son of Second Doctor Patrick Troughton; Natalie Gumede (Strictly Come Dancing), Faye Marsay (The White Queen), and Nathan McMullen (Misfits, Casualty). The ‘Ho-Ho’ episode of Who will be written by Emmy winner Steven Moffat and directed by Paul Wilmshurst.