Casting for The Chilling Adventures of Sabrina is officially underway! After announcing that Kiernan Shipka will star as the infamous teenage witch last month, Netflix has revealed even more additions to the upcoming series. We know that both Harvey Kinkle and Sabrina's cat, Salem, are set to appear on the series. Although the lucky actor playing Harvey has yet to be announced, Netflix has found the purr-fect cat to play Sabrina's beloved four-legged confidante, as well as a few other exciting players. See who's already signed up for the show ahead.