Pam Ferris

Pamela Ann 'Pam' Ferris is a German-born Welsh actress. She is best known for her starring roles on television as Ma Larkin in 'The Darling Buds of May', as Laura Thyme in 'Rosemary & Thyme', and for playing Miss Trunchbull in the movie 'Matilda'. She also played the part of Aunt Marge in 'Harry Potter and the Prisoner of Azkaban'.