Kate Anne Duchéne Kate Duchêne is a British actress best known for her work as Miss Constance Hardbroom, the strict Deputy Head/Potions Teacher on the popular TV series The Worst Witch.
Kate Anne Duchéne Kate Duchêne is a British actress best known for her work as Miss Constance Hardbroom/Potions Teacher on the popular TV series The Worst Witch. Miss Constance Hardbroom is the strict Deputy Head.