Karen MacKenzie record for an actress on American primetime television. Karen's storylines focus on family troubles, addiction and kidnapping. In her early years on the serial, the character had much more of an "edge" in order to test the audience on who would be the most like J. R. Ewing (Larry Hagman), the primary character of its parent series "Dallas". (The bad girl role would later be taken on by Abby Cunningham, Karen's sister-in-law.) Over time, she became much more of a wholesome character. Series creator David Jacobs said "Karen is the tent pole. She says the things I want to say.
Dallas (1978 TV series) "Scenes from a Marriage". However, CBS wanted a "saga-like" show, resulting in Jacobs creating "Dallas". When the series proved to be a hit, CBS reconsidered Jacobs's original idea, which evolved into "Dallas" spin-off series "Knots Landing", premiering in late 1979. "Knots Landing" followed the lives of Lucy's parents, Gary (Ted Shackelford) and Valene (Joan Van Ark), as they move to California to start a new life following the start of their second marriage in 1979. During the early seasons of "Knots Landing", several "Dallas" actors (Larry Hagman, Patrick Duffy, Charlene Tilton, and Mary Crosby) made guest appearance in the new