[citation needed] Hagerty made her off-Broadway debut in 1979, starring in Mutual Benefit Life at her brother's theater, The Production Company.

In 1983 she appeared Off-Broadway at the Vandam Theatre in Shel Silverstein's 'Wild Life' directed by Art Wolff.

Macy, Henderson Forsythe, Conard Fowkes, Jody Gelb, Howard Lee Sherman and Raynor Scheine.

She continued appearing on stage, including starring in a Broadway version of The House of Blue Leaves.

It was released in June 1980 and became the third-highest grossing comedy in box office history at that time, behind Smokey and the Bandit (1977) and National Lampoon's Animal House (1978).

In 1991, she starred alongside Fran Drescher and Twiggy in Princesses, a sitcom that aired for five weeks on CBS.

She eventually joined the cast, filmed two episodes, and resigned, handing the role back to Mahaffey, who bowed out after one final appearance.

In 2013, she starred in A Master Builder[3] and appeared in a series of Old Navy commercials[8] as a winking flight attendant.

She had a recurring role as a pet parapsychologist on the series Trial & Error in 2017 and appeared in the film Instant Family in 2018.