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 the CBS legal drama, "The Defenders" In 1964, he made his film debut in "Ensign Pulver", which featured a young Jack Nicholson. That same year, he also appeared in "Fail-Safe", with Henry Fonda. In 1965, Hagman was cast as "genie" Barbara Eden's television "master" and eventual love interest, Air Force Captain (later Major) Anthony Nelson, in the NBC situation comedy "I Dream of Jeannie", which ran for five seasons from 1965 to 1970. The show entered the top 30 in its first year and was NBC's answer to the successful 1960s magical comedies, "Bewitched" on ABC and "My Favorite Martian"