Richard Thomas John Boy Walton Actor Ralph Waite John Walton Actor Michael Learned Olivia Walton Actor Will Geer Zeb "Grandpa" Walton Actor Ellen Corby Esther "Grandma" Walton Actor Judy Norton Mary Ellen Walton Willard Actor Jon Walmsley Jason Walton Actor Mary Beth McDonough Erin Walton Actor Eric Scott Ben Walton Actor David W. Harper Jim-Bob Walton Actor Kami Cotler Elizabeth Walton Actor Joe Conley Ike Godsey Actor Robert Donner Guest Star Cissy Wellman Guest Star Dorothy Shay Guest Star Merle Haggard Guest Star Patricia Quinn Guest Star Jay Robinson Guest Star Lee Rich Executive Producer Earl Hamner Jr. Executive Producer Andy White Producer Harvey Laidman Director