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 Monk (Doctor Who) for the Monk to be faced with capture by a group of Antoene warriors so that he will be forced to restore the Doctor's timeline to escape this threat. The Monk escapes and vows to return to continue his vendetta against the Doctor. The Early Adventures story "The Black Hole" introduces another incarnation of the Monk from the era of the Second Doctor. Rufus Hound voices the new incarnation who has disguised himself as constable Pavo, a member of a special Gallifreyan police unit called Chapter 9. The Monk's plan involves helping an alien race called the Seeth escape from