William Devane Gregory Sumner Actor, Director 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 Guy Boyd Actor Stacy Galina Actor Kathleen Noone Actor Lar Park-Lincoln Actor Thomas Wilson Brown Actor Kent King Julie Williams Actor Kevin Kilner Guest Star Zane Lasky Guest Star John DeMita Guest Star Mark Haining Guest Star David Gale Guest Star Victoria Ann-Lewis Guest Star Lorenzo Caccialanza Guest Star Carlos Cantu Guest Star Gerald Castillo Guest Star Yolanda Lloyd Guest Star Bob Margitich Guest Star Martin Ashe Guest Star Ben Kronen Guest Star Michael Filerman Executive Producer David Jacobs Executive Producer Mary-Catherine Harold Producer Lynn Marie Latham Producer Bernard Lechowick Producer James Stanley Writer