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
William Russell (actor) of the programme's fiftieth anniversary celebrations. Russell appeared as a character in the drama, portrayed by actor Jamie Glover. Russell also had a cameo role in "An Adventure in Space and Time" playing a BBC Commissionaire (security guard) named Harry. The same year, Russell portrayed both Ian and the First Doctor in the Big Finish audio play "The Light at the End", produced to celebrate the 50th anniversary of "Doctor Who". On 2 December 1988, Russell and his second wife, Etheline Margareth Lewis , had their first child Alfred Enoch, when he was 64 years old. Alfred is now an