She will best be remembered for her character as stranded castaway mary ann summers in the popular 1960s cbs sitcom 'gilligan's island,' which aired from 1964 to. Webdawn wells, who played farm girl mary ann summers on “gilligan’s island” from 1964 to 1967 — alongside tina louise’s movie star ginger grant, one of the two. Webwe’re sad to learn that actress dawn wells has passed away at the age of 82. Wells was best known as gilligan's island’s mary ann, a beloved part which she played for three. Webdawn wells, who played farm girl mary ann summers on “gilligan’s island” from 1964 to 1967 — alongside tina louise’s movie star ginger grant, one of the two. Web“just sit right back and you’ll hear a tale” of how the hollywood museum honored dawn wells and the 55th anniversary of gilligan’s island by unveiling a new. She is best known for her role as mary ann summers in the sitcom gilligan's island.