Guest stars[edit] Guest stars included both established celebrities and newcomers. Florence Henderson (1992), Gwen Verdon, Kathy Johnson, Barry Williams, Billy Blanks, David Hasselhoff, John Franklin, Ryan Bollman, Christian Hoff, Paul Rodriguez, Brian Robbins, and Ruth Buzzi were among those who appeared during the run of the show. Young actors who guest starred on it included Brittany Murphy (1992), Andrea Barber (1986?), Scott Wolf, R.J. Williams, Jason Hervey, and Jeff Cohen ("Chunk" from The Goonies).