In 1985, Henshaw was voicing both one of the Care Bears and also Wicket Wystri Warrick during the first season of Ewoks TV series. He left Ewoks for the second season, being replaced with Denny Delk, though he would continue being involved in the Care Bears franchise until 1987.
During the late eighties, he worked as a screenwriter for TV series and movies, including La Femme Nikita and, during the nineties, he also worked as a TV producer (specially executive producer).