Jon Pertwee. Jon Pertwee was 53 in Doctor Who: The Three Doctors as 'The Doctor'.
Patrick Troughton. Patrick Troughton was 52 in Doctor Who: The Three Doctors as 'The Doctor'.
William Hartnell. William Hartnell was 65 in Doctor Who: The Three Doctors as 'The Doctor'.
Katy Manning. Katy Manning was 23 in Doctor Who: The Three Doctors as 'Jo Grant'.
Nicholas Courtney. Nicholas Courtney was 43 in Doctor Who: The Three Doctors as 'Brigadier Lethbridge-Stewart'.
John Levene. John Levene was 31 in Doctor Who: The Three Doctors as 'Sergeant Benton'.
Stephen Thorne. Stephen Thorne was 37 in Doctor Who: The Three Doctors as 'Omega'.Rex Robinson. Rex Robinson was 46 in Doctor Who: The Three Doctors as 'Doctor Tyler'.Roy Purcell. Roy Purcell was 53 in Doctor Who: The Three Doctors as 'President of the Council'.Laurie Webb. Laurie Webb was >> in Doctor Who: The Three Doctors as 'Mr. Ollis'.Clyde Pollitt. Clyde Pollitt was >> in Doctor Who: The Three Doctors as 'Chancellor'.Graham Leaman. Graham Leaman was 52 in Doctor Who: The Three Doctors as 'Time Lord'.Patricia Prior. Patricia Prior was >> in Doctor Who: The Three Doctors as 'Mrs. Ollis'.Denys Palmer. Denys Palmer was >> in Doctor Who: The Three Doctors as 'Corporal Palmer'.Lennie Mayne. Lennie Mayne was >> in Doctor Who: The Three Doctors as 'Director'Dave Martin. Dave Martin was 38 in Doctor Who: The Three Doctors as 'Writer'Bob Baker. Bob Baker was 33 in Doctor Who: The Three Doctors as 'Writer'
Barry Letts. Barry Letts was 47 in Doctor Who: The Three Doctors as 'Producer'Jim Walker. Jim Walker was >> in Doctor Who: The Three Doctors as 'Editor'
Dudley Simpson. Dudley Simpson was 50 in Doctor Who: The Three Doctors as 'Original Music Composer'
James Acheson. James Acheson was 26 in Doctor Who: The Three Doctors as 'Costume Design'
Dick Mills. Dick Mills was 37 in Doctor Who: The Three Doctors as 'Special Sound Effects'John Baker. John Baker was >> in Doctor Who: The Three Doctors as 'Camera Operator'Derek Miller-Timmins. Derek Miller-Timmins was >> in Doctor Who: The Three Doctors as 'Sound'Roger Liminton. Roger Liminton was >> in Doctor Who: The Three Doctors as 'Production Design'Ann Rayment. Ann Rayment was >> in Doctor Who: The Three Doctors as 'Makeup Artist'David Tilley. David Tilley was >> in Doctor Who: The Three Doctors as 'Production Assistant'Michealjohn Harris. Michealjohn Harris was >> in Doctor Who: The Three Doctors as 'Visual Effects'