Pam Ferris

Pam Ferris (born 11 May 1948 ) voiced Lizzie Corrigan in the Big Finish Doctor Who audio story The Eternal Summer and Amanda Steele in Night of the Vashta Nerada.

She also appeared in the crossover Comic Relief sketch as her Call the Midwife character, Sister Evangelina.

Career
Her notable roles include Ms. Trunchball in the 1996 movie adaptation of Roald Dahl's Matilda and Aunt Marge in Harry Potter and the Prisoner of Azkaban.