Latest 22+ Thora Birch Age In Hocus Pocus. That's how the sanderson sisters made their historic return in the 1993 hit halloween movie hocus pocus. She made her film debut in purple people eater (1988), for which she won a young artist award for best young actress under nine years of age. In the photo, birch, who was dressed in a black dress with a white veil. The nostalgic feels and childhood memories make hocus pocus exciting every single halloween, and it's hard to.