Editing Knots Landing (section)

===Supporting cast===
Throughout the show's fourteen seasons, there were a wide array of actors in supporting roles. The most notable of these include:

* [[Steve Shaw (actor)|Steve Shaw]] as Eric Fairgate (seasons 1–11), Sid and Karen's eldest son;
* [[Robert Jayne|Bobby Jacoby]] (seasons 2–5) and [[Brian Austin Green]] (seasons 6–10 and Reunion) as Brian Cunningham, Abby's son;
* [[Michael Sabatino]] as Chip Roberts (seasons 4–5), Valene's publicist who murders Ciji and marries Diana;
* [[Joseph Chapman (actor)|Joseph Chapman]] as Mark St. Claire (seasons 5–6), villainous character<ref>{{Cite news|url=https://www.newspapers.com/newspage/181177636/|title='Knots' lands new season of suds|work=[[The Clarion-Ledger]]|location=[[Jackson, Mississippi]]|date=October 4, 1984|access-date=May 28, 2022|page=25|via=[[Newspapers.com]]}} {{Closed access}}</ref>
* [[Howard Duff]] as Paul Galveston (seasons 6 and 11), a millionaire industrialist who turns out to be Greg Sumner's biological father;
* [[Ava Gardner]] as Ruth Sumner Galveston (season 6), Greg and Claudia's wildlife photographer mother;
* [[Hunt Block]] as Peter Hollister (seasons 7–8), Jill Bennett's brother who poses as Paul's son and Greg's half-brother, eventually killed by Paige;
* [[Ruth Roman]] as Sylvia Lean (seasons 7–8), a former fling of Paul Galveston's hired by Peter to pose as his mother;
* [[Michael York (actor)|Michael York]] as Charles Scott (season 9), Abby's childhood sweetheart and eventual third husband;
* [[Lar Park Lincoln]] as Linda Fairgate (seasons 9 and 11–13), Eric's wife who has an affair with Michael, and uncredited as "Sally's Friend" (Season 10), with whom Gary accidentally strikes up a friendship over the phone;
* [[Lynne Moody]] as Patricia Williams (seasons 9–11), wife of Frank and mother of Julie;
* [[Paul Carafotes]] as Harold Dyer (seasons 9–11), Olivia's mobster husband;
* [[Kent Masters King]] as Julie Williams (seasons 9–13), Frank and Pat's teenage daughter;
* [[Robert Desiderio]] as Ted Melcher (seasons 10–11), Greg's murderous campaign manager when he runs for mayor;
* [[Betsy Palmer]] as Virginia Bullock (seasons 10–12), Lilimae's sister and Valene's aunt;
* [[Sam Behrens]] as Danny Waleska (seasons 10–12), Valene's psychopathic third husband;
* [[Penny Peyser]] as Amanda Michaels (seasons 10–11), Danny's abused ex-wife and girlfriend of Gary;
* [[Melinda Culea]] as Paula Vertosick (seasons 10–11), former Forest Ranger and romance of Greg's;
* [[Joseph Gian]] as Tom Ryan (seasons 11–12 and 14), a corrupt detective who romances Paige;
* [[Lorenzo Caccialanza]] as Nick Schillace/Dimitri Pappas (seasons 12 and 14), bankrupt Italian playboy-turned-conman;
* [[Tracy Reed (American actress)|Tracy Reed]] as Charlotte Anderson (season 12), Julie's English teacher and Frank's first romance after Pat's death;
* [[Lance Guest]] as Steve Brewer (season 12), Claudia's illegitimate son by Paul Galveston;
* [[Mark Soper]] as Joseph Barringer (season 13), environmentalist businessman;
* [[Bruce Greenwood]] as Pierce Lawton (seasons 13–14), Paige's unhinged lover;
* [[Felicity Waterman]] as Vanessa Hunt (seasons 13–14), Kate's bisexual tennis cohort;
* [[Maree Cheatham]] as Mary Robeson (seasons 13–14), a woman claiming to be Meg's biological grandmother.