1st Doctor, played by: William Hartnell
His companions: Susan Fortman, Ian Chestertown, Barbra Right, Vicki, Steven Taylor, Katrina, Sarah Kingdom, Dodo Chaplet, Polly, and Ben Jackson.
2nd Doctor, played by: Patrick Troughton
His companions: Polly, Ben Jackson, Jamie McCrimmon, Victoria Waterfield, Zoe Heriot, The Brigaider, and Sergeant Benton.
3rd Doctor, played by: Jon Pertwee
His companions: Liz Shaw, Jo Grant, and Sarah Jane Smith.
4th Doctor, played by: Tom Baker
His companions: Sara Jane Smith, Harry Sullivan, Leela, K-9 (Mark I and II), Romana, Adric, Tegan, Jovanka, and Nyssa.
5th Doctor, played by: Peter Davison
His companions: Adric, Tegan Jovanka, Nyssa, Vislor Turlough, Kamelion, and Peri Brown.
6th Doctor, played by: Colin Baker
His companions: Peri Brown and Mel Bush
7th Doctor, played by: Sylvester McCoy
His companions: Mel Bush, and Ace.
8th Doctor, played by: Paul McGann
His companions: Grace Holloway
9th Doctor, played by: Christopher Eccleston
His companions: Rose Tyler, Adam Mitchell, Jack Harkness
10th Doctor, played by: David Tennant
His Companions: Rose Tyler, Mickey, Jack Harkness, Martha Jones, and Donna Noble
11th Doctor, played by: Matt Smith
His companions: Amy Pond, Rory Williams, River Song, and Clara Oswald
12th Doctor, played by: Peter Capaldi
His companions: Clara Oswald
