She also starred in the short-lived 1996 sitcom The Last Frontier and voiced Lu Zhi in the 2010 game Age of Conan: Rise of the Godslayer.

Baker is also known to television audiences for her recurring roles as Hannah Webster in the first season of Charmed and as Ellen, the long-time friend of Grace Adler (Debra Messing) on Will & Grace, a role she played from the show's first season in 1998 through its last in 2006 (and again in 2018, in the show's revival).

In late 2008, Baker appeared on several episodes of Hannah Montana playing Mickey, a morning show host.

Baker has also made an appearance, along with her co-star Mia Talerico, on the sketch comedy show, So Random!

In 2015, she starred in the Disney Channel Original Movie, Bad Hair Day, which she also produced.