Was a professional pilot for a year in the early 1980s.
Graduated from Franklin & Marshall College in 1973
The nickname "Treat" comes from one of his maternal ancestors, Robert Treat Payne, whose signature appears on the Declaration of Independence.
Certified Flight Instructor, rated in single and multi-engine airplanes and helicopters.
In 2003, completed two weeks of training to qualify for flying jet engine planes.
Had a brief romance with Dana Delany.
Andy Brown, Williams' character on "Everwood" (2002), was ranked #43 in TV Guide's list of the "50 Greatest TV Dads of All Time" [20 June 2004 issue].
Was invited to join the Academy of Motion Picture Arts and Sciences (AMPAS) in June 2004.
Graduated from Kent School, the same high school that Ted Danson, Peter Farrelly and Seth MacFarlane attended.
Treat Williams Detailed Biography -
Richard Treat Williams (born December 1, 1951) is an American actor. Williams was born in Rowayton, Connecticut.
He is a graduate of the Kent School in Connecticut and Franklin and Marshall College.
He now lives with his wife and two children in New York.
Apart from the popular television series Everwood, he also starred as Berger in Miloš Forman's screen version of the Broadway musical Hair and three of The Substitute sequels.
Through his mother, he is descended from Declaration of Independence signer Robert Treat Paine, for whom he is named.