William Devane Gregory Sumner Actor Kevin Dobson M. "Mack" Patrick MacKenzie Actor Stacy Galina Actor Michele Lee Karen Fairgate MacKenzie Actor Kathleen Noone 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 Thomas Wilson Brown Actor Stuart Pankin Actor Lar Park-Lincoln Actor Mark Soper Actor Bruce Greenwood Actor Philip Brown Guest Star Buck Taylor Guest Star Deborah Strang Guest Star Michael Filerman Executive Producer David Jacobs Executive Producer Mary-Catherine Harold Producer James Stanley Producer Lorraine Senna Ferrara Director John Romano Writer