, anna shapiro, about the many faces of larry david.he doesn't consider himself an actor, doesn't want to be an actor, has created two characters that he says are him. and then is going to play a character who he says is him. >> shapiro: he's a liar. he's just lying. all those things, none of those things are true. he is an actor. they aren't him. and he's actually a pretty good actor, and he's clearly interested in acting... >> david: you're talking normal again. >> shapiro: ...because you don't do a play if you're not interested in acting. it's a very, very weird way... it's kind of a long way around to get a laugh. so i don't think it's true. i think he's acting his head off. >> larry! you belong with us. >> rose: and acting is a very different animal from improvisation, making it up as you go along, which was the essence of his tv show "curb your enthusiasm." >> was that your dad's doctor? >> rose: here, he's got to stick to the script, and remember it. is the acting, does it worry you? did you have trepidation of not being able to