William Windom trivia:
Was a tournament-level chess player and member of the International Chess Federation.
During World War II he served as a paratrooper in the US Army’s with B Co., 508th Parachute Infantry Regiment, 82nd Airborne Division and fought in Operation Market Garden (the invasion of Holland), the Battle of the Bulge and D-Day.
As a five-year-old, he was a pupil of kindergarten teacher Margaret Hamilton (wicked witch in “Wizard of Oz”) until she threw him out for rambunctious behavior.
Has owned seven different small boats since 1953 and won numerous sailing trophies.
https://www.imdb.com/name/nm0934750/bio/?ref_=nm_ov_bio_sm