Joan Copeland (born June 1, 1922) is an American actress and the younger sister of celebrated playwright
Arthur Miller. She began her career during the mid-1940s, appearing in
theatre in
New York City, where, shortly thereafter, she would become one of the very first members admitted to the newly formed
Actors Studio. She moved into television and film during the 1950s. while still maintaining an active stage career. She is best known for her performances in the 1977 Broadway revival of
Pal Joey and her award winning performance in the 1981 play
The American Clock. She has also played a number of prominent roles on various soap operas throughout her career, including
Andrea Whiting on
Search for Tomorrow and
Gwendolyn Lord Abbott on
One Life to Live.