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
David Bradley (director) in Chicago (and which also starred Charlton Heston), he was hired as a directing intern by Metro-Goldwyn-Mayer in 1950. After the teen drama "Dragstrip Riot" (1958), he went on to direct "Madmen of Mandoras", padded for television into the infamous "They Saved Hitler's Brain", which proved to be his final output. Bradley later taught film studies at UCLA and Santa Monica City College. David Bradley (director) David Shedd Bradley (6 April 1920 in Winnetka, Illinois – 19 December 1997 in Los Angeles, California) was an American motion picture director, actor, film collector, and university instructor. David Shedd Bradley was a