Nich ‧ ol ‧ son, Jack /ˈnɪk ə ls ə n/ BrE AmE
(1937–) a US film actor, known especially for appearing as characters who are crazy or dangerous. He won three Oscars, for One Flew Over the Cuckoo's Nest (1975), Terms of Endearment (1983), and As Good as it Gets (1997). His other films include Easy Rider , Chinatown , and The Shining .