David Harper, Jon Walmsley, Michael Learned, Ralph Waite, Mary McDonough, Judy Norton and Eric Scott Photo

From: Photo Flash: The Waltons Reunite for Memoir Release

One of television's royal families gathered this weekend, to celebrate one of their own. 'I can't believe they are all here!' declared a voice from the audience in response to seeing eight cast members from the hit series 'The Waltons' up in front of fans on Saturday afternoon in Los Angeles. Michael Learned (Olivia Walton/Momma) wasn't surprised at all saying, 'Mary has always been the one to instigate gatherings. Sometimes, she calls and says, 'OK it's about time we got together.'