The Doctor (Doctor Who) Time Lords a fixed number of twelve regenerations, meaning that every Time Lord had a total of thirteen incarnations including the original. The plot of "The Time of the Doctor" involves the Doctor receiving a new cycle of regenerations from the Time Lords before his expected demise, triggering the regeneration into the Twelfth Doctor, played by Peter Capaldi. The origins of the programme were explored in the docudrama "An Adventure in Space and Time" as part of the 50th anniversary celebrations of "Doctor Who", which starred David Bradley as William Hartnell. Although Time Lords resemble humans, their physiology differs in
David Bradley (English actor) he appeared in the film "Another Year", which earned him a nomination for Best Supporting Actor from the London Film Critics Circle Awards. In 2011, 2013 and 2016, Bradley appeared as Lord Walder Frey in the HBO series "Game of Thrones". In January 2017, it was confirmed that Bradley would appear in the seventh season of the show later that year. Bradley played Solomon, a ruthless buccaneer, in the 2012 "Doctor Who" episode "Dinosaurs on a Spaceship". He previously provided voice work for "The Sarah Jane Adventures" serial "Death of the Doctor". It was announced in January 2013 that Bradley