She was best known as Mary Campbell in Soap, for which she was nominated three times for the Primetime Emmy Award for Outstanding Lead Actress in a Comedy Series, winning in 1980.

Other television credits included guest roles on The Love Boat, Fantasy Island, Murder, She Wrote, Matlock, and Mike Hammer.

Mulligan referred to his late co-star (whom he affectionately called "Toots")[15] and her strike-related absence when he received his second Best Actor Emmy more than a decade later for his role as Dr. Weston on the television series Empty Nest.

[citation needed] In August 1953, Damon married Richard Price Towers, an actor and singer, in New York City.

[2] In 1986, Damon was diagnosed with ovarian cancer, but continued acting in small roles up until shortly before her death a year later at age 56, on May 4, 1987.

[3] Her final role, as Elizabeth McGovern's mother in the movie She's Having a Baby with Kevin Bacon, was released posthumously.