The Doctor (Doctor Who) footage. Tom Baker did reappear, but as "the Curator", an ambiguously different character who he was not credited for playing. A voice actor, John Guilor, recorded a line of audio impersonating the First Doctor, for which he was credited as "Voice Over Artist". In other multi-Doctor stories, the multiple actors are all credited as "The Doctor", the exception being "The Three Doctors" (1972–73), which credited William Hartnell, Patrick Troughton and Jon Pertwee as "Doctor Who" as the 1972 serial preceded the practice of crediting the character as "The Doctor". In "Human Nature" (2007), the plot involves the Tenth Doctor altering
The Time of the Doctor Collectors Boxset" alongside "The Name of the Doctor", "The Night of the Doctor", "The Day of the Doctor", "An Adventure in Space and Time" and "The Five(ish) Doctors Reboot". The ten Christmas specials between "The Christmas Invasion" and "Last Christmas" inclusive were released in a boxset titled "Doctor Who – The 10 Christmas Specials" on 19 October 2015. Selected pieces of score from "The Time of the Doctor", as composed by Murray Gold, were released on 24 November 2014 by Silva Screen Records. The Time of the Doctor "The Time of the Doctor" is an episode of the British science