[2] Keating is widely acclaimed for her portrayal of Judy Garland in the 2003 Broadway production of The Boy From Oz, in which she starred opposite Hugh Jackman (who played Peter Allen).
[5] She joined the Broadway cast of Hairspray, directed by Jack O'Brien, in the role of Velma Von Tussle in June 2006[6] and stayed with the production through August 2007.
[11] In 2024, she returned to Broadway in Doubt: A Parable as the understudy for Sister Aloysius, but later temporarily took over the role in early previews, replacing Tyne Daly, who departed the production after a medical emergency.
[12] Keating has performed at Theatre Previews at Duke, where she starred in Gore Vidal's On the March to the Sea opposite Chris Noth, Charles Durning, Richard Easton, Michael Learned and Harris Yulin;[13] at the Long Wharf Theater in New Haven, Connecticut, in Tom Stoppard's Travesties opposite Sam Waterston;[14] and at the Paper Mill Playhouse, in Millburn, New Jersey, in Wendy Kesselman's stage version of The Diary of Anne Frank.
[19] She has guest-starred in episodes of 3 lbs (2006),[20] Law & Order: Criminal Intent (2008),[21] The Path (2016), and New Amsterdam (2021) and appeared in films including The Nanny Diaries[22] and The Life Before Her Eyes.