The Waltons Cast And Characters Character Character Name Actor Current Status John "John-Boy" Walton Jr. Richard Thomas Still Acting Robert Wightman Retired John Walton Sr. Ralph Waite Passed in 2014 Michael Learned as Olivia Walton, The Waltons TV series Michael Learned as Olivia Walton Olivia Daly Walton Michael Learned Still Acting Jason Walton Jon Walmsley Moved on to a career in music Mary Ellen Walton-Willard-Jones Judy Norton Taylor Still Acting Benjamin "Ben" Walton Eric Scott Left Acting To Run His Own Business Erin Esther Walton Northridge Mary Elizabeth McDonough Still Acting And Directing James Robert "Jim-Bob" Walton David W.