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 Morgan Brittany as Katherine Wentworth Dennis Patrick as Vaughn Leland Stephanie Blackmore as Serena Wald Bill Morey as Leo Wakefield Alexis Smith as Jessica Montford Wendy Fulton as Jan Higgins Co Starring Omri Katz as John Ross Ewing III Sherril Lynn Rettino as Jackie Dugan Roseanna Christiansen as Teresa Eric Farlow as Christopher Ewing Anne Lucas as Cassie Pat Colbert as Dora Mae Robert Donavan as Mr. Metcalf