Дианна Данаган

Chicago-based American actress. Although Dunagan has appeared on television and in films, she is most admired for her work as a stage actress. She is best known for her Tony Award-winning portrayal of Violet Weston in Tracy Letts' August: Osage County and for her portrayal of Nana in M. Night Shyamalan's 2015 film The Visit. More recently she has appeared in the recurring role of Mother Bernadette on the Fox television series The Exorcist. She portrays Dr. Willa Sipe in the upcoming 2018 film The Pages by writer Joe Chappelle.