Before the catfights and controversy of The Real Housewives of Beverly Hills , Kim Richards was a celebrated child actress. Now, the reality star is back with a guest-starring role on ABC’s Revenge .

Richards, 50, began her career in the early 1970s, playing Prudence Everett in the hit TV show, The Nanny and the Professor. She later had roles on Little House on the Prairie, The Love Boat and The Dukes of Hazzard, as well as a starring role in the 1975 Disney hit, Escape to Witch Mountain.