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
David Bradley (American actor) David Bradley (American actor) David Bradley (born Bradley Simpson in Texas, October 2, 1953) is an American actor and martial artist, known for starring in numerous low-budget action movies beginning in the late 1980s. His best-known films are the "American Ninja" sequels. Bradley is known for his role as Sean Davidson in and . He also stars in a separate film titled, American Ninja V, as Joe Kastle, which is not technically a sequel to the previous American Ninja films, but a different movie altogether. Previous to making films, Bradley worked as care salesman on Wilshire Boulevard. He attended the