She was 77. She died of cancer at her home in Manhattan, her niece Sally Fay told ABC News.
Elliott spent 23 years starring as Renee Divine Buchanan on the ABC soap opera One Life to Live, only leaving the show in 2011 at age 73.
On stage, Elliott debuted on Broadway in 1973 as Countess Charlotte Malcolm in Stephen Sondheim's A Little Night Music. She went on to win a Tony for Best Featured Actress in a Musical for the role. Her next Broadway role, in Michael Cristofer's The Shadow Box, also earned her a Tony nomination.
She continued to act on Broadway throughout her life, including a famous turn opposite David Bowie and Donal Donnelly in The Elephant Man. Other credits include A Doll's House, A Month of Sundays and Hedda Gabler.
Fans may consider the role of Elliott's lifetime to be that of Buchanan, who appeared on and off on One Life to Live from 1988 to 2011. Elliott also appeared on CBS Radio Mystery Theater from 1974 to 1982. She had various guest appearances throughout her career on Kojak, St. Elsewhere, Hill St. Blues and more.
A Gunnison, Colorado, native, Elliott graduated from the University of Colorado in 1960 and honed her craft at the Cleveland Play House, the Guthrie Theater in Minneapolis and the Arena Stage in Washington, D.C.
She is survived by her niece, Sally Fay, aunt Claudine Walker and various cousins.
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