Lauren Chapin – 77
Lauren Chapin is an actress who rose to fame as a child star in the 1950s sitcom “Father Knows Best.” Although she wasn’t able to recreate her early success in adulthood, she managed to make a livelihood doing a number of professions over the years working for an insurance business and a coached childbirth academy. Lauren Knows Best is currently based in Florida and is a grandma and talent manager, according to her official website. Jennifer Love Hewitt, who purportedly got her start thanks to Chapin, is one of her most successful wards.