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
The War Doctor (audio drama series) The War Doctor (audio drama series) The War Doctor, announced in October 2015, is a Big Finish Productions audio play series based on the TV show "Doctor Who". It sees the return of Sir John Hurt as the War Doctor, a role he previously portrayed in the TV story "The Name of the Doctor" as well as more prominently in the 50th Anniversary special "The Day of the Doctor". The series consists of four box sets, each made up of three hour-long episodes, the first released in December 2015, the remaining three volumes followed across 2016 and into 2017. The