The Doctor (Doctor Who) Big Finish Productions. Matt Smith made a brief "imagined" cameo seen only by actor William Hartnell (portrayed by David Bradley), in the movie dramatising the early years of Doctor Who "An Adventure in Space and Time". In early production documents, the Doctor was said to be 650 years old, although this was never stated on screen. By the time the Doctor did cite his age ("Let me see, in human terms, 400, yes, 450 years" in the serial "The Tomb of the Cybermen" (1967); he kept a 500-year diary), he had already regenerated to a younger form. The intention at
The Doctor (Doctor Who) Within the fictional narrative, the Doctor is a Time Lord from the planet Gallifrey who travels through time and space in a dimensionally transcendental – "bigger on the inside" – time machine: the TARDIS (Time And Relative Dimension(s) In Space) which takes the exterior form of a 1963 police telephone call box, and retains the appearance throughout the programme. The Time Lords have dedicated themselves to overseeing all of time and space without interference. The Doctor chose to leave home by stealing an obsolete TARDIS model as revealed in the 1969 serial "The War Games" and depicted in the 2013