Several have passed that played in Blazing Saddles. Mongo, Sherrif Bart {Cleavon Little}, Slim Pickens, Headly Lammar {Harvey Korman}, Gabby {Jack Starrett} the prospector, Dom DeLuise BTW Carol Arthur his wife played Harriet Johnson the school teacher {is still living}, Anne Bancroft not credited but in the church congergation, and I’m sure I miised a few. Rest in Peace Alex.
You left out Madeleine Kahn, who was only 54.
Gene Wilder is still around. I always liked him. Especially in Blazing Saddles and Young Frankenstein.