| Year,Title,Role,Notes | |
| 2000–04,Total Request Live,Herself,Co-host | |
| 2002,Dawson's Creek,VJ Hilarie,"Episode 5.19 ""100 Light Years from Home""" | |
| 2003–09,One Tree Hill,Peyton Sawyer,Main cast 130 Episodes (Seasons 1–6) | |
| 2003,MTV's Iced Out New Year's Eve,Herself,Host | |
| 2003,MTV Does Miami,Herself,Co-host | |
| 2003,MTV Diary,Herself,Alongside One Tree Hill cast | |
| 2003,The Real World: Las Vegas,Herself,Reunion Host: 7 The Hard Way | |
| 2003,Pepsi Smash,Herself,Host | |
| 2005,Unscripted,Herself,- | |
| 2008,Little Britain USA,Lesbian Student 1,Episode 1.06 | |
| 2010–13,White Collar,Sara Ellis,22 episodes Main cast (Season 3) Recurring role (Seasons 2 and 4) | |
| 2012,Castle,Kay Cappuccio,"Episode 4.13 ""An Embarrassment of Bitches""" | |
| 2012,Naughty or Nice,Krissy Kringle,Hallmark Original Movie | |
| 2013,Grey's Anatomy,Dr. Lauren Boswell,"Recurring role Episode 9.22 ""Do You Believe in Magic"" Episode 9.23 ""Readiness Is All"" Episode 9.24 ""Perfect Storm""" | |
| 2013,Hostages,Samantha,"Recurring role Episode 1.02 ""Invisible Leash"" Episode 1.03 ""Power of Persuasion"" Episode 1.04 ""2:45 PM"" Episode 1.11 ""Off the Record""" | |
| 2013,Christmas on the Bayou,"Katherine ""Kat""",Lifetime Original Movie | |
| 2014–15,Forever,Iona Payne / Molly Dowes,"Episode 1.08 ""The Ecstasy of Agony Episode 1.16 ""Memories of Murder""" | |
| 2015,Surprised by Love,Josie Mayfield,Hallmark Original Movie | |
| 2015,Extant,Anna Schaefer,"Recurring role Episode 2.02 ""Morphoses Episode 2.03 ""Empathy for the Devil"" Episode 2.05 ""The New Frontier"" Episode 2.06 ""You Say You Want an Evolution"" Episode 2.07 ""The Other"" Episode 2.10 ""Don't Shoot the Messenger Uncredited" | |
| 2015,Last Chance for Christmas,Annie,Lifetime Original Movie | |
| 2016,Togetherness,Kennedy,"Episode 2.03 ""Advanced Pretend""" | |
| 2016,Summer Villa,Terry Russell,Hallmark Original Movie | |
| 2016–17,Lethal Weapon,Karen Palmer,Recurring role | |
| 2018,The Christmas Contract,Jolie,Lifetime Original Movie | |