Sylvester McCoy (played the Seventh Doctor, 1987 onwards)
The thing that moved me the most was a scene in Remembrance of the Daleks. My Doctor is sitting in a cafe, struggling with a decision. He is discussing his problem with the cafe employee, played by Joseph Marcell. The scene, touchingly written by Ben Aaronovitch, touches on slavery and the ripple effects of a cube of sugar. It made me grateful to have gone on the Tardis!