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.
Larry Hagman "Who shot J.R.?", the 1980 cliffhanger season finale in which J.R. is shot by an unknown assailant. The person who pulled the trigger was later revealed to be Kristin Shepard (played by Mary Crosby) in the "Who Done It?" episode which aired on November 21, 1980; Kristin was J.R.'s scheming sister-in-law and mistress, who shot him in a fit of anger. At the beginning of the fourth season later that year, audience and actors were trying to guess "Who shot J.R.?", now one of fictional TV's most famous questions. During the media buildup, Hagman was involved in contract negotiations, delaying