WASHINGTON (CIRCA) — Actress Katherine Helmond, known for her role as Mona in "Who's the Boss?" has died at the age of 89.
Her talent agency, APA, confirmed that she died on Feb. 23 due to complications with Alzheimer's disease.
The seven-time Emmy nominee played Mona Robinson, the man-crazy mother in long-running ABC sitcom. She had earlier starred on the sitcom "Soap" as Jessica Tate for four years. One of her Emmy nominations came from her guest role on "Everybody Loves Raymond" as Lois Whelan, Raymond's mother-in-law. She appeared in 14 episodes.
Helmond's most recent work was as the voice of Lizzie in Pixar's "Cars" franchise.