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 Graham (actor) the early voices of the Daleks, following the death of the Dalek designer Raymond Cusick. David Graham (actor) David Graham (born 1924 or 1925) is an English character actor and voice artist. Born in London, he trained as an actor in New York City following service in the Royal Air Force as a radar mechanic, and has since worked mainly in British television. Graham is known for his voice work for the series "Doctor Who" and "Thunderbirds" during the 1960s. Graham played several characters in the science-fiction TV series "Doctor Who" during the 1960s and 1970s, most notably Dalek voices