Barbara Tarbuck, an actor with extensive TV credits and several Broadway ones, died December 26, Playbill has learned.

She died of Creutzfeld-Jakob disease at age 74.

Her Broadway credits include replacing the role of the mother, Kate Jerome, during the original run of Neil Simon’s Brighton Beach Memoirs. Other appearances include David Mamet’s 1978 The Water Engine as well as the 1972 revival of Arthur Miller’s The Crucible, as understudy to three roles including Elizabeth Proctor.

She’s best known to the general public from her 14-year stint on the TV series General Hospital, playing Jane Jacks. She subsequently appeared on the FX series American Horror Story: Asylum as Mother Superior Claudia. Her dozens of other TV credits dating back to the 1970s include stints on soaps Santa Barbara and Falcon Crest. She also made a single appearance on the series Glee as Nancy Bletheim.

Her Off-Broadway credits include the 1999 production of Enter the Night, part of Signature Theatre's season devoted to the works of Maria Irene Fornes, and the U.S. premiere of Landscape & Silence by Harold Pinter. Regional theatre credits include Dallas Theatre Center's 1998 Long Day’s Journey Into Night, as Mary Tyrone, and the June 2016 Los Angeles production Stopping By, a solo play she wrote, about an elderly woman who seeks to scatter her late husband’s ashes at the Burning Man arts event.