The late actress was in the original Broadway production of Fiddler on the Roof (Picture: Getty)
Her death was announced on the Instagram page for New York University Tisch Graduate Acting Program, where she had been a member of the faculty since 1998.
‘Joanna was an actress, master Chekhov teacher, and former casting director for Harold Prince, Stephen Sondheim, Bernardo Bertolucci, and James Ivory,’ the message read.
‘Joanna will be deeply missed at Grad Acting, by the Chekhov community, and by the many people she touched through her artistry.’
The tribute paid homage to the incredible extnet of Merlin’s career, as she cast the original Broadway productions of plays including Follies, Sweeney Todd and Stephen Sondheim’s Company.
She also played the role of Tzeitel, the eldest daughter, in the original Broadway production of Fiddler on the Roof, as well as starring in Becket opposite Laurence Olivier.
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The late actress was in the original Broadway production of Fiddler on the Roof