NEW YORK — Joan Copeland, the Broadway, film and TV actress and sister of playwright Arthur Miller whose career spanned more than six decades, died Tuesday in Manhattan. She was 99.

Copeland, who was Marilyn Monroe’s sister-in-law for five years, was best known for her work on Broadway, starring in the 1976 revival of “Pal Joey” and delivering a Drama Desk Award-winning performance in 1980’s “The American Clock.”