Billy Crystal explains how Bill Cosby became his mentor.
Billy Crystal reveals what it was like working with Robert DeNiro.
The writing period for Harry and Sally was so much fun for Billy. See why!
Billy shares how his first character piece came about on stage.
Learn something ironic about this Dr. Doolittle star.
Forest Whitaker recounts "one of the great performances in modern movie history."
This very talented and hilarious actress discusses the phenomenon that was "Seinfeld."