Some people live more in 20 years than others do in 80. It's not the time that matters, it's the person.
David TennantI think it would be self-indulgent to go, "Oh, I'm going to make this character different by giving him a quirk of some kind." I don't think that serves the story, particularly. But even very similar scenes with a different set of actors, a different set of circumstances, it starts to evolve as a different character.
David TennantAn accent has to do with the way your mouth works and the sounds that come out of your head, but somehow it informs everything about you.
David TennantAnd the very fact of how you speak somehow influences who you are. The way you move, the way you think, it seeps into your being, and it's quite hard to really break that down entirely.
David Tennant