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 Mariclare Costello Guest Star Nadyne Turney Guest Star Joel Kimmel Guest Star Michael Kearns Guest Star Johnnie Collins III Guest Star Damon Douglas Guest Star Kim O'Brien Guest Star Greg Vigen Guest Star Tom McAllister Guest Star Ted Eccles Guest Star Devon Ericson Guest Star Dennis Redfield Guest Star David Ankrum Guest Star Jack McCulloch Guest Star Larry Dobkin Guest Star Lee Rich Executive Producer Robert L. Jacks Producer Philip Leacock Director