William Devane Gregory Sumner Actor Kevin Dobson M. "Mack" Patrick MacKenzie Actor Stacy Galina Actor Michele Lee Karen Fairgate MacKenzie Actor, Director 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 Stuart Pankin Actor Mark Soper Actor Bruce Greenwood Actor Halle Berry Guest Star Philip Brown Guest Star Marcia Cross Guest Star Michael Phenicie Guest Star Michelle Joyner Guest Star Edward Winter Guest Star Richard Grove Guest Star John Morrissey Guest Star Victoria Ann-Lewis Guest Star John Hostetter Guest Star Michael Filerman Executive Producer David Jacobs Executive Producer Mary-Catherine Harold Producer John Romano Writer