Treat Williams is a 72-year-old from Rowayton, Connecticut, U.S.. We trawled the web to determine that Treat Williams' height is 5ft 10 ½ (179.1 cm). This makes him 1.4 inches taller than the average male in the United States. Are you looking for more information about Treat Williams and his career? We found resources at imdb.com & ibdb.com.