Question: who did pam ferris play in harry potter
Answer: She starred on television as Ma Larkin in The Darling Buds of May , and as Laura Thyme in Rosemary & Thyme , and has played parts in family films based on works by British authors , such as Miss Trunchbull in Matilda and as Aunt Marge in Harry Potter and the Prisoner of Azkaban , and most recently as Sister Evangelina in Call the Midwife .