H Acting Holly Rivers No biography available. ↗ Share Known For‹The Worst Witch · 1998The Worst Witch★ 7.81998SeriesComedyDramaMildred Hubble is a young witch attending Cackles Academy. She's called the "Worst Witch" because she's always caught getting into trouble.▶+› FilmographySortPopularNewestTop ratedThe Worst Witch · 1998The Worst Witch★ 7.81998SeriesComedyDramaMildred Hubble is a young witch attending Cackles Academy. She's called the "Worst Witch" because she's always caught getting into trouble.▶+
