Guest Stars Howard Keel as Clayton Farlow Audrey Landers as Afton Cooper John Beck as Mark Graison Morgan Brittany as Katherine Wentworth Lois Chiles as Holly Harwood Kate Reid as Lillian Trotter Kenneth Kimmins as Thornton McLeish Tom McFadden as Jackson's Partner William Bryant as Jackson Nate Esformes as Ignacio Perez Dennis Holahan as George Walker Co Starring Tyler Banks as John Ross Ewing III Deborah Rennard as Sly Lovegren Danone Simpson as Kendall Chapman Santos Morales as Cuban Leader Jacqueline Ray as Marie Walker Marnie Mosiman as Manicurist Cindy Landis as Waitress