William Devane Gregory Sumner Actor Kevin Dobson M. "Mack" Patrick MacKenzie Actor, Director 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 Boyd Kestner Actor Felicity Waterman Actor Bruce Greenwood Actor Martin E. Brooks Guest Star Joseph Cousins Guest Star Rhianna Janette Guest Star Emily Ann Lloyd Guest Star Peter D. Greene Guest Star Michael Filerman Executive Producer David Jacobs Executive Producer Mary-Catherine Harold Producer Lisa Seidman Writer