Harrison Ford - one of my favorite actors - has a wonderful sense of character and depth and uniqueness to him, yet he's able to just deliver the lines without putting any English on it.
“I'd never say I'll never have a facelift, but I'm way too scared of looking like a different person. I have no philosophical or political position on plastic surgery; I just don't want to look crazy. And I don't like not being able to tell how old someone is: It's creepy.”