Mariclare Costello, actress and lifetime member of The Actors Studio, died April 17 at 90 years old. Costello made her film debut in 1967, then appeared on several TV series including the first five ...
Mariclare Costello, the actress best known to many viewers for her memorable role on The Waltons, has died at age 90.
A lifetime member of The Actors Studio and an original player with the Lincoln Center Repertory, she also appeared on Broadway with Stacy Keach, Jimmy Stewart and Helen Hayes.
Mariclare Costello, a prolific actress whose credits include “The Waltons” and “Let’s Scare Jessica to Death,” has died.