Twice Upon a Time (Doctor Who) Twice Upon a Time (Doctor Who) "Twice Upon a Time" is an episode of the British science fiction television series "Doctor Who", written by Steven Moffat, directed by Rachel Talalay, and was broadcast as the thirteenth Christmas special on 25 December 2017 on BBC One. It features the final regular appearance of Peter Capaldi as the Twelfth Doctor, the first official appearance of Jodie Whittaker as the Thirteenth Doctor, and guest-stars David Bradley as the First Doctor, having previously portrayed original First Doctor actor William Hartnell in the 2013 docudrama "An Adventure in Space and Time". Pearl Mackie guest stars
Doctor Who: The Early Adventures portrayed the role of original Barbara actress Jacqueline Hill in the 2013 drama "An Adventure in Space and Time", and Dan Starkey as the Sontarans. The second story also features actor James Joyce in the role of a new companion, Jospa. <section begin=series3 /><section end=series3 /> Frazer Hines, Anneke Wills, Elliot Chapman and Wendy Padbury reprise their roles as the Doctor's companions, with Frazer Hines also playing the Second Doctor. Other characters are also played by Anjella Mackintosh, Wanda Opalinska, Kristina Buikaite, Alistair Petrie, Debbie Chazen, Matilda Ziegler, David Sibley, Kerry Gooderson, Ewan Bailey, Alan Blyton, Judith Roddy, Adam Newington,