Madeleine Sherwood (born Madeleine Louise Hélène Thornton; November 13, 1922 – April 23, 2016) was a Canadian actress of stage, film and television. She was widely known for her portrayals of Mae/Sister Woman and Miss Lucy in both the Broadway and film versions of Tennessee Williams' Cat on a Hot Tin Roof and Sweet Bird of Youth. She starred or featured in 18 original Broadway productions including Arturo Ui, Do I Hear a Waltz? and The Crucible. In 1963 she won an Obie Award for Best Actress for her performance in Hey You, Light Man! Off-Broadway. In television, she is best known for her role of Reverend Mother Placido to Sally Field's Sister Bertrille in The Flying Nun (1967–70). Early life Sherwood was born in Montreal, Quebec, the granddaughter of the Dean of Dentistry at McGill University. Sherwood made her first stage appearance at the age of four in a church Passion Play. She started her professional career in Montreal when Rupert Kaplan cast her in CBC dramas and soap operas. Career Sherwood moved to New York City in 1950 and made her first Broadway appearance in Horton Foote's The Chase, replacing Kim Stanley. In 1953 she originated the role of Abigail in Arthur Miller's The Crucible. Elia Kazan cast her as Mae/Sister Woman in Cat on a Hot Tin Roof (1954) and as Miss Lucy in Sweet Bird of Youth (1959), both by Tennessee Williams. She reprised both roles in the film versions. She became a member of the Actors Studio in 1957 working with Lee Strasberg and was a life member of the Studio. Sherwood appeared in many soap operas over the years, most notably on Guiding Light as Mrs. Eilers and The Secret Storm as diner owner Carmen. She had cameos on All My Children as a bag lady and Another World as a befuddled matron, returning to Guiding Light briefly as Roxie Shayne's madame, Diamond Lil. She was featured in one of the last episodes of Capitol.. Sherwood also played Reverend Mother Placido in the comedy TV series The Flying Nun. Personal life Sherwood was blacklisted during the McCarthy era. Active in the civil rights movement, she worked with Martin Luther King Jr., in the late 1950s and 1960s and went south to join the Congress of Racial Equality (CORE). In 1965, Sherwood was arrested while participating in a Freedom Walk in Gadsden, Alabama, jailed, and