What happened to the cast of family affair?

"Family Affair," a popular sitcom that aired from 1966 to 1971, featured several notable cast members. Brian Keith, who played Uncle Bill, passed away in 1997, while Anissa Jones, who portrayed Buffy, tragically died in 1976. Sebastian Cabot, who played Mr. French, died in 1977. Kathy Garver, who played older sister Sissy, has remained active in entertainment and has written a memoir about her experiences on the show.