Moon Unit Zappa
Yes, she is the musician Frank Zappa’s daughter! She also featured on Curb Your Enthusiasm, How I Met Your Mother, and Roseanne, in addition to her brief appearance on the show. In addition to being an actor, Zappa is a stand-up comedian and a magazine writer.
Richard Dean Anderson
We all know him from Stargate, General Hospital, and MacGyver, to name a few. You probably had no idea he was a guest on The Facts of Life. In any case, he’s kept himself pretty busy in Hollywood. He most recently appeared in Don’t Trust the B in Apartment 23 as a guest star.