Special Guest Stars Barbara Carrera as Angelica Nero Guest Stars John Beck as Mark Graison Dack Rambo as Jack Ewing Fern Fitzgerald as Marilee Stone Jenilee Harrison as Jamie Ewing Deborah Shelton as Mandy Winger Morgan Woodward as Marvin "Punk" Anderson Barry Jenner as Dr. Jerry Kenderson Kate Reid as Lillian Trotter Laurence Haddon as Franklin Horner Glenn Corbett as Paul Morgan Jill Andre as Nan Culp Philip Levien as Lee McHenry Steve Forrest as Ben Stivers Co Starring Sherril Lynn Rettino as Jackie Dugan Deborah Tranelli as Phyllis Wapner Anne Lucas as Cassie Pat Colbert as Dora Mae James Brown as Detective Harry McSween Solomon Smaniotto as Tony Ed Quinlan as Bud McKay Richard Doyle as Thomas Perry John Wyler as Handwriting Forger Ronan O'Casey as Andrew Bates Bill Shick as Graison Research Party Guest