Twice Upon a Time (Doctor Who) The Doctor paraphrases philosopher Bertrand Russell when he advises his future self that "hate is always foolish and love is always wise". Peter Capaldi reprised his role as the Twelfth Doctor. On 30 January 2017, he confirmed that the tenth series would be his last, and that he was set to leave after the 2017 Christmas special. The episode also sees the introduction of Jodie Whittaker as the Thirteenth Doctor, whose casting was announced on 16 July 2017. David Bradley appears in the episode as the First Doctor, having previously portrayed William Hartnell in the docudrama "An Adventure in Space
David Bradley (English actor) David Bradley (English actor) David John Bradley (born 17 April 1942) is an English actor. He is known for playing Argus Filch in the "Harry Potter" film series, Walder Frey in the HBO fantasy series "Game of Thrones" and Abraham Setrakian in the FX horror series "The Strain". He is also an established stage actor with a career that includes a Laurence Olivier Award for his role in a production of "King Lear". Other acting credits include the BBC series "Our Friends in the North", the ITV series "Broadchurch" (for which he won the best supporting actor award at the