They didn't act like people and they didn't act like actors. It's hard to explain. They acted more like they knew they were celebrities and all. I mean they were good, but they were too good.
Source: The Catcher in the Rye, Ch. 17.
-- J D Salinger, (Jan 1 1919-2010), US novelist, short-story writer; His novel The Catcher in the Rye, 1951 won critical acclaim and devoted admirers, especially among the post-WW II generation of college students.