She was semi-regular on the 1991 sitcom The New WKRP in Cincinnati as receptionist Ronnie Lee, and guest starred on Martin, The Sinbad Show , and Coach.

The following years, she spent appearing in the television and independent films, including Return to Two Moon Junction (1995), and well as guest starred on episodes of Any Day Now, Angel, Cold Case, and Grey's Anatomy.

In 2007, Davis was cast as Colonel Joan Burton in the Lifetime television drama series Army Wives opposite Kim Delaney, Catherine Bell, Sally Pressman and Brigid Brannagh.

From 2012 to 2013, Davis had a recurring role as Kimberly Mitchell in the second season of ABC drama series Scandal created by Shonda Rhimes.

In a series of 9 short videos available through the "Understood" website and through YouTube, she discusses growing up with ADHD, how it helped her as an actress, and how she responded to her daughter getting the same diagnosis.