She is best known for her work as Frenchy in Grease, Denise Stevens Downey in Benson and Stacy Jones in Shining Time Station.

Her notable characters since the 1970s, when she first became prominent, include Laurie Robinson in You Light Up My Life (1977; Kasey Cisyk provided the character's singing voice), Frenchy in the feature films Grease (1978) and Grease 2 (1982), Helen on The Practice (1976–77), Denise Stevens Downey on Benson (1981–84), and Stacy Jones on Shining Time Station (1989–95).

As a theatre actress, she was involved with Broadway productions of Lost in Yonkers (1991), The Green Bird (2000), and Say Goodnight, Gracie (2002).

[2][5] In January 2016, she had a cameo as Vi in the Grease: Live television special on Fox, thus being the only actress to appear in all three screen adaptations of the franchise.

[7] She, alongside her professional partner Łukasz Różycki, were eliminated in Week 4, after the judges saved Saara Aalto and Hamish Gaman in the skate-off.