Only mentioning years of their original runs/first movie appearance, not re-appearances. Not including special-case Doctors, like: meta-crisis, Valeyard, Morbius and so on...

John Hurt and Jo Martin earned their place in mentions.

• First Doctor - William Hartnell 1963–1966
  
• Second Doctor - Patrick Troughton] 1966–1969
  
• Third Doctor - Jon Pertwee 1970–1974
  
• Fourth Doctor - Tom Baker 1974–1981, 2013
  
• Fifth Doctor - Peter Davison] 1981–1984
  
• Sixth Doctor - Colin Baker 1984–1986
  
• Seventh Doctor - Sylvester McCoy 1987–1989, 1996
  
• Eighth Doctor - Paul McGann 1996
  
• The War Doctor - John Hurt 2013
  
• Ninth Doctor - Christopher Eccleston 2005
  
• Tenth Doctor - David Tennant 2005–2013
  *Will mention he is back as the Fourteenth Doctor - 2023
  
• Eleventh Doctor - Matt Smith 2010–2014
  
• Twelfth Doctor - Peter Capaldi 2014-2017
  
• Thirteenth Doctor - Jodie Whittaker 2017-2022
  *Fugitive Doctor - Jo Martin 2020
  
• Fifteenth Doctor - Ncuti Gatwa 2023-???? *Present*