Special Guest Stars Christopher Atkins as Peter Richards Guest Stars Howard Keel as Clayton Farlow Priscilla Presley as Jenna Wade Audrey Landers as Afton Cooper John Beck as Mark Graison Shalane McCall as Charlie Wade Morgan Brittany as Katherine Wentworth Morgan Woodward as Marvin "Punk" Anderson Barry Jenner as Dr. Jerry Kenderson Dennis Patrick as Vaughn Leland Alice Hirson as Mavis Anderson Alexis Smith as Jessica Montford Denny Miller as Max Flowers Co Starring Omri Katz as John Ross Ewing III Deborah Tranelli as Phyllis Wapner Roseanna Christiansen as Teresa Danone Simpson as Kendall Chapman Anne Lucas as Cassie Pat Colbert as Dora Mae Jack Axelrod as Ewing Oil Employee Nanci Hammond as Restaurant Hostess Walker Edmiston as Ewing Oil Employee