Who on Gilligans island tv show has passed away?

As of October 2023, several main cast members of "Gilligan's Island" have passed away. Notably, Bob Denver, who played Gilligan, died in 2005; Alan Hale Jr., who portrayed the Skipper, passed away in 1990; and Natalie Schafer, known for her role as Lovey Howell, died in 1991. Other cast members, such as Jim Backus (Thurston Howell III) and Dawn Wells (Mary Ann), have also since passed away, with Wells dying in 2020.