William Hartnell (1 - 4)	Patrick Troughton (4 - 6)	Jon Pertwee (7 - 11)
Tom Baker (12 - 18)	Peter Davison (19 - 21)	Colin Baker (21 - 23)
Sylvester McCoy (24 - 26 & Film)	Paul McGann (Film)	Christopher Eccleston (27)
David Tennant (28 - 30)