Carpenter was discovered by a commercial agent while waiting tables in Los Angeles to save money for her college education. She made her first television role in 1994 by appearing in an episode of
Baywatch. In 1996, Carpenter auditioned for the title role in
The WB supernatural drama series
Buffy the Vampire Slayer but instead was cast as
Cordelia Chase, a snobby and popular high school student. After three seasons on
Buffy the Vampire Slayer, Carpenter was offered an even larger role as the same character on the spin-off series
Angel alongside
David Boreanaz. She played Cordelia Chase for four seasons on
Angel. Although her character leaves the series during
Angels fourth season, Carpenter returned for the
100th episode in the
fifth and final season. ,
Ontario In 2004, Carpenter had a guest appearance in The WB fantasy drama series
Charmed as a psychic demon named
Kyra for three episodes and played a recurring role on NBC's
Miss Match, appearing in four episodes. She also had a recurring role as
Kendall Casablancas in the
UPN mystery drama series
Veronica Mars but instead she chose to do a guest appearance in the
Fox comedy series
Back to You as well as a two episode role on the short-lived series
Big Shots. Carpenter also had a guest appearance in an April 2009 episode of
CSI: Crime Scene Investigation entitled "The Descent of Man". On March 20, 2008,
Paley Fest hosted a
Buffy the Vampire Slayer reunion. Carpenter attended the event alongside
Buffy creator
Joss Whedon, producers
Marti Noxon and
David Greenwalt, and other
Buffy alumni including
Sarah Michelle Gellar,
Nicholas Brendon,
James Marsters,
Emma Caulfield,
Amber Benson,
Seth Green, and
Michelle Trachtenberg. Carpenter has starred in an assortment of made-for-TV and direct-to-video films including the sex comedy
What Boys Like, the horror film
Voodoo Moon, and the romantic comedies
See Jane Date and
Relative Chaos on ABC Family (the latter of which co-starred fellow Buffy alum
Nicholas Brendon). She also appeared in the original films
Flirting with Danger and ''Cheaters' Club
(both 2006) both on Lifetime and the Syfy original film House of Bones broadcast in 2010, around the same time as her guest spot in Legend of the Seeker''. In 2009, Carpenter starred in production company Red Sparrow's first film,
Psychosis, which was released on January 11, 2011. In August 2010, she had a supporting role in
Sylvester Stallone's
The Expendables. After the success of
The Expendables, Carpenter was cast in
Human Factor and in the indie thriller
Crash Site. She appeared in an episode of the seventh season of
Supernatural alongside
Buffy co-star James Marsters. In 2012, Carpenter landed a recurring role as Rebecca Sewell in the first season of ABC Family drama series
The Lying Game. She was upgraded to a series regular for the second season. Later in the same year, she reprised her role as Lacy in
The Expendables 2. On August 28, 2013,
Surviving Evil (original working title:
I Survived Evil) She starred in the 2015 erotic film
Bound, alongside
Morgan Obenreder, which received a lukewarm reception. She later led the television film ''Mommy's Secret''. ==Public image==