Guest Stars Howard Keel as Clayton Farlow Audrey Landers as Afton Cooper John Beck as Mark Graison Morgan Brittany as Katherine Wentworth Timothy Patrick Murphy as Mickey Trotter Kate Reid as Lillian Trotter Joe Maross as Dr. Blakely George D. Wallace as J.R.'s Accountant Co Starring Omri Katz as John Ross Ewing III Deborah Rennard as Sly Lovegren Eric Farlow as Christopher Ewing Danone Simpson as Kendall Chapman Mary Armstrong as Louise John Devlin as Mr. Clouse Richard Garrison as TBD Gabriel Folse as TBD Teresa Bowman as TBD Karen Pirkle as TBD