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.
Robert Colbert entitled "City Beneath the Sea" that was shown as a television movie. In 1968, Colbert appeared in the final episode of the first season of "Hawaii Five-O". Colbert also appeared as the character Stuart Brooks on the television soap opera, "The Young and the Restless", from March 1973 to March 1983, being honored at the show's tenth anniversary. In 1981, Colbert and Robert Culp were suggested by CBS as possible replacements for Larry Hagman on "Dallas" after Hagman decided to hold out for more money; however, Hagman returned to the series. In 1987, he appeared in the film parody "Amazon