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
John Bradley (English actor) John Bradley (English actor) John Bradley West (born 15 September 1988), credited professionally as John Bradley, is an English actor, best known for his role as Samwell Tarly in the HBO fantasy TV series "Game of Thrones". Bradley was born and grew up as a Catholic in the Wythenshawe district of south Manchester and attended St Paul's Roman Catholic High School. He has a sister who is 13 years older than him. In 2005, he began attending Loreto College in the Hulme area of Manchester, where he studied Drama and Theatre Studies. He graduated from Loreto in 2007. He received