Starting in 1915 in the silent movie era, Ruth Gordon did a ton of movies over her 72 year career in movies and theater, but what earns her a spot on this list are the horror movies she's done, notably Rosemary's Baby for which she won an Oscar for Best Supporting Actress.
She's also appeared in Look What's Happened to Rosemary's Baby, Whatever Happened to Aunt Alice, Isn't it Shocking, and dozens of other movies and TV shows. She passed away in 1985 at the age of 88.
Man, that's a hell of a career. Starting off in the silent era and working for another 70+ years? I know a lot of silent stars didn't survive once films had sound, so you know this lady had the good to keep going for so long after.
Ruth Gordon was great. I remember her best from Where's Poppa (she made be bust a gut laughing); Whatever Happened to Aunt Alice (in my collection); Harold & Maude; and the best role of all - Minnie Castavet in Rosemary's Baby. She really owned that role, I can't imagine anyone else playing it just like Yul Brynner owned the role of the King in the King & I.