William Devane Gregory Sumner Actor Kevin Dobson M. "Mack" Patrick MacKenzie Actor Michele Lee Karen Fairgate MacKenzie Actor Pat Petersen Actor Michelle Phillips Anne W. Matheson Actor Larry Riley Frank Williams Actor Ted Shackelford Gary Ewing Actor Nicollette Sheridan Paige Matheson Actor Joan Van Ark Valene Ewing Gibson Waleska Actor Sam Behrens Actor Stacy Galina Actor Joey Gian Actor Kathleen Noone Actor Betsy Palmer Actor Lar Park-Lincoln Actor Kent King Julie Williams Actor Zane Lasky Guest Star Mark Haining Guest Star Carlos Cantu Guest Star Robert M. Koch Guest Star Jack Yates Guest Star Michael Filerman Executive Producer David Jacobs Executive Producer Mary-Catherine Harold Producer Lynn Marie Latham Producer, Writer Bernard Lechowick Producer Nicholas Sgarro Director