| Year Title Role Notes | |
| 2000 Diagnosis Murder Nora "Episode: ""Hot House""" | |
| 2001 Angel Denise "Episode: ""Happy Anniversary""" | |
| 2002 That '80s Show Spokeslady #1 "Episode: ""Road Trip""" | |
| 2002 American Dreams Amy "Episode: ""The Fighting Irish""" | |
| 2003 Monk Erin Hammond "Episode: ""Mr. Monk Goes to the Ballgame""" | |
| 2004 It's All Relative Jordan F. "Episode: ""Who's Camping Now""" | |
| 2004 Good Girls Don't... Redhead "Episode: ""Whatever Happened to Jane's Baby?""" | |
| 2004 Strong Medicine Hilary Davis "Episode: ""Code""" | |
| 2004 Single Santa Seeks Mrs. Claus Store Clerk Television film | |
| 2005 Without a Trace Kim "Episode: ""End Game""" | |
| 2005 24 Shari "Episode: ""Day 4: 5:00 a.m.-6:00 a.m.""" | |
| 2005 The Inside New Girl "Episode: ""New Girl in Town""" | |
| 2005 Nip/Tuck Aimee Bolton "Episode: ""Tommy Bolton""" | |
| 2006 Campus Ladies Mikka "Episode: ""Night of the Condom""" | |
| 2006–07 Jericho April Green 15 episodes | |
| 2006–15 NCIS Shannon Gibbs 7 episodes | |
| 2007 Bones Connie Lopata "Episode: ""The Bodies in the Book""" | |
| 2007 General Hospital Amelia Joffe 10 episodes | |
| 2007 Cold Case Melissa Carter "Episode: ""Thick as Thieves""" | |
| 2007 Exes & Ohs Sienna 3 episodes | |
| 2007–08 Mad Men Helen Bishop 5 episodes | |
| 2008 Private Practice Tess Milford "Episode: ""Tempting Faith""" | |
| 2009 Exes & Ohs Sienna "Episode: ""Fish in a Barrel""" | |
| 2009 The Mentalist Stevie Caid "Episode: ""Paint It Red""" | |
| 2009 Ghost Whisperer Greer Clarkson "Episode: ""Delusions of Grandview""" | |
| 2009 Life Ella Holden "Episode: ""Initiative 38""" | |
| 2009 CSI: NY Dawn Higgins "Episode: ""It Happened to Me""" | |
| 2009, 2013 Castle Meredith "Episodes: ""Always Buy Retail"" and ""Significant Others""" | |
| 2010 How I Met Your Mother Marissa Heller "Episode: ""Robots Versus Wrestlers""" | |
| 2011 CSI: Miami Linda Hill "Episode: ""F-T-F""" | |
| 2011 Burn Notice Sadie Forte "Episode: ""Eye for an Eye""" | |
| 2012–2018 Scandal Abby Whelan Series regular, 120 episodes TV Guide Award for Fan Favorite Cast in a Drama Series (2013) | |
| TBA Locke & Key Nina Locke Main role; Upcoming series | |