McGraw has starred in The Pursuit of Happiness (1995), the TVLand Network's Soul Man (1997–1998), Living in Captivity (1998), Wednesday 9:30 (8:30 Central) (2002), and Center of the Universe (2004). Notable guest appearances include Quantum Leap, Night Court, Seinfeld, Cybill, The Larry Sanders Show, Mad About You, The District, The Practice, and Inconceivable. She has been featured in four episodes of [Wikipedia:Desperate Housewives|Desperate Housewives]] as Annabel Foster and was cast in Neighbors, an ABC-TV series pilot for 2005-06 that was never picked up.
In 2006, McGraw played Jane Braun, campaign advisor to Presidential candidate Arnold Vinick, in several episodes of NBC-TV's The West Wing and appeared in an episode of FOX-TV' Bones. She played U.S. Attorney Valerie Por in Close to Home and Hartley Green in Saving Grace in 2007, as well as Annette Barron in two episodes of Journeyman.
McGraw appeared in 2008's The Dark Knight (the sequel to Batman Begins) as Lieutenant Gordon's wife, Barbara. She guest-starred in the Order: SVU episode "Crush" as Samantha Copeland. She had a recurring role as seductive adulteress Bobbie Barrett in the 2008 season AMC's Mad Men. McGraw co-starred with Kelsey Grammer on the ABC sitcom Hank before its cancellation on November 11, 2009.
Roles on The X-Files
- Melissa Scully (TXF: "One Breath", "The Blessing Way", "Paper Clip", "Christmas Carol")
- Dr. Stoller (MM: "The Pest House")