A holiday get-together that unfolds during the days following the 1963 JFK assassination. John-Boy: Richard Thomas. John: Ralph Waite. Olivia: Michael Learned. Elizabeth: Kami Cotler. Mary Ellen: Judy Norton. Ben: Eric Scott. Jason: Jon Walmsley. Jim-Bob: David W. Harper. Erin: Mary McDonough. Grandma: Ellen Corby. Janet: Kate McNeil. Ike Godsey: Joe Conley. Harry Harris directed.