Career
Knight's feature films include The Group (1966), The Dutchman (1967), Petulia (1968), The Rain People (1969), Secrets (1971), Juggernaut (1974), Beyond the Poseidon Adventure (1979), Endless Love (1981), Angel Eyes (2001),
Divine Secrets of the Ya-Ya Sisterhood (2002), Paul Blart: Mall Cop (2009), Our Idiot Brother (2011) and Elevator (2011), in which she plays one of several people trapped in a Wall Street elevator with a bomber.
Knight was cast in 1958 and 1959 as Mrs. Newcomb in 20 of the 29 episodes of the television series Buckskin, with Tom Nolan, Sally Brophy, and Mike Road. She became a Warner Brothers Television contract star who while on breaks from filming feature films appeared in television series such as Maverick, Bourbon Street Beat, Sugarfoot, Cheyenne, and The Roaring 20s.
A life member of The Actors Studio, Knight's stage credits include Three Sisters (1964), We Have Always Lived in the Castle (1966), Kennedy's Children (1975), which earned her the Tony Award for Best Performance by a Featured Actress in a Play, and A Lovely Sunday for Creve Coeur (1979). Knight also performed the lead role in the Chelsea Theater Center production of the Brecht/Weill musical Happy End in March 1977; when a modified version of the production transferred to Broadway the next month, Knight was replaced with Meryl Streep.
She was nominated for the Drama Desk Award for Outstanding Actress in a Play twice, for Landscape of the Body and The Young Man from Atlanta, for which she received another Tony nomination. She also appeared in Come Back, Come Back, Wherever You Are (2009), an original play by Arthur Laurents.
Her television credits include Target: The Corruptors!, The Eleventh Hour, The Outer Limits ("The Man Who Was Never Born"), The Reporter, The Fugitive, The Invaders, The Virginian, Murder, She Wrote, Spenser for Hire, Thirtysomething, Law & Order, L.A. Law, Law & Order: Special Victims Unit, Maggie Winters, ER, House M.D., Crossing Jordan, Cold Case, and Hot in Cleveland, among others.
She appeared in various television films, including Playing For Time and Indictment: The McMartin Trial. For the latter, she won both the Emmy Award for Outstanding Supporting Actress in a Miniseries or a Movie and the Golden Globe Award for Best Performance by an Actress in a Supporting Role in a Series, Mini-Series or Motion Picture Made for Television. Her guest performance in thirtysomething earned her a 1988 Emmy for Best Guest Performer in a Drama Series. She won an Emmy in 1995 for her guest performance in the NYPD Blue episode "Large Mouth Bass".
She appeared in the first segment of If These Walls Could Talk. She also had a recurring role on Desperate Housewives.