Are any of the Mash 4077 cast members dead and which ones are the and when?

Yes, several cast members of "MAS*H" have passed away. Notable deaths include McLean Stevenson (Lieutenant Colonel Henry Blake), who died in 1996, and Harry Morgan (Colonel Potter), who passed away in 2011. Other notable cast members who have died include Larry Linville (Frank Burns) in 2000, and Wayne Rogers (Trapper John) in 2021.