Amanda Michelle Seyfried (pronounced /ˈsaɪfrɪd/, sigh-frid; born December 3, 1985) is an American actress and former child model. She is best known for her roles as Sophie Sheridan in the feature film "Mamma Mia!" and as Karen Smith in "Mean Girls;" she has also appeared in other feature films such as "Alpha Dog" and "Jennifer's Body," and in the television shows "Veronica Mars," "Big Love," and "House."
Amanda Seyfried was born in Allentown, Lehigh County, Pennsylvania, United States, the daughter of Ann, an occupational therapist, and Jack Seyfried, a pharmacist. Her sister, Jennifer Seyfried, is a musician in the Philadelphia organ-driven rock band "Love City" at MySpace. Amanda graduated in 2003 from Allentown's William Allen High School and subsequently enrolled at New York City's Fordham University. As a teenager, she appeared on the cover of three Francine Pascal books. During filming of "Mamma Mia!," Seyfried began dating her costar Dominic Cooper. After filming, she ended her two-year relationship with musician and actor Jesse Marchant. Amanda and Dominic have been together since 2007.
Seyfried started her career as a model at age 11. As a child model, she initially signed with Image International Agency in Allentown, Pennsylvania before working under Bethlehem's Pro Model Agency and eventually with Wilhelmina agency in New York. While modeling, Amanda Seyfried took voice lessons and acted on stage in New York productions of "Grease" and "A Christmas Carol." From there she went on to acting uncredited in the daytime drama "Guiding Light." In 2000, she originated the role of Lucy Montgomery on "As the World Turns." From 2002 to 2003, she played the role of Joni Stafford on ABC's "All My Children."
Seyfried achieved a breakthrough when she was cast as the most dimwitted of the Plastics, Karen Smith, in the popular teen film "Mean Girls." In "Mean Girls," she initially auditioned for the role of Regina George. She became the original casting choices for both the roles of Regina George and Cady Heron. She was then cast as Regina George's sidekick, and supporting lead, Karen Smith. The other roles later went to Rachel McAdams and Lindsay Lohan, respectively. In 2005, she played the lead character in one of the nine parts in the movie "Nine Lives."
Continuing her television career, Seyfried was cast in UPN's "Veronica Mars" as the title character's murdered best friend Lilly Kane. In her role as Lilly, she appeared on the show through a series of flashbacks, dreams and visions, which portrayed her as a wild, stylish, and bubbly teenage daughter of a business executive. While appearing often during "Mars'" first season, she also appeared briefly in the second season's premiere and finale. Seyfried originally auditioned for the title role on "Veronica Mars" which went to Kristen Bell.
Seyfried has had minor guest roles on "House, M.D.," "Justice," "Law & Order: Special Victims Unit" and "CSI: Crime Scene Investigation" and as Rebecca on "Wildfire." Seyfried also portrays a main character, Sarah Henrickson, in the series "Big Love."
She played supporting roles in the 2007 films "Alpha Dog" and "Solstice," and had her first lead role as the bride Sophie in the film version of the musical "Mamma Mia!." Her musical performance in that film is also available on "Mamma Mia! The Movie Soundtrack." Seyfried recorded a music video of "Gimme! Gimme! Gimme! (A Man After Midnight)" specially for "Mamma Mia!"
Seyfried joined the cast of the dark horror film "Jennifer's Body" in February 2008, which began filming in March 2008, playing the title character's best friend.
Seyfried has several films in post-production. Titles include "Chloe," "Dear John," and "Boogie Woogie." “Chloe” is a remake of the French film "Nathalie," and also stars Liam Neeson and Julianne Moore. Seyfried was scheduled to play the lead in Zack Snyder's new film "Sucker Punch," but had to drop out due to scheduling conflicts with "Big Love."
She is scheduled to star in the both the forthcoming film version of "A Woman of No Importance" and Gary Winick's "Letters To Juliet," which she is shooting in the Italian city of Verona.
In 2008, Amanda Seyfried was ranked #65 in The Annual Independent Critics List of the 100 Most Beautiful Famous Faces From Around the World. She was also placed #5 in Moviefone's 25 Under 25: Hollywood's Hottest Young Stars. In 2009, Glamour.com ranked Amanda at the #17 spot as one of the 30 Hottest and Sexiest Stars Under 30. Amanda Seyfried presented the award for Romantic Movies Features with Robert Pattinson and also performed with boyfriend Dominic Cooper, Hugh Jackman, Beyonce Knowles, Zac Efron, and Vanessa Hudgens in the 81st Annual Academy Awards.
2004 Mean Girls Karen Smith
2005 Nine Lives Samantha
2005 American Gun Mouse
2006 Alpha Dog Julie Beckley
2006 Gypsies, Tramps & Thieves Chrissy
2008 Solstice Zoe Direct to Video.
2008 Mamma Mia! Sophie
2008 Official Selection Emily Short film.
2009 Boogie Woogie Paige Prideaux
2009 Jennifer's Body Anita "Needy" Lesnicki
2009 Chloe Chloe
2010 Dear John Savannah Lynn Curtis Post-Production.
2010 Letters to Juliet Sophie Post-Production.
2010 Marmaduke Mazie (voice) Filming.
2011 A Woman of No Importance Hester Worsley In Production.
2000-2001 As the World Turns Lucinda Marie 'Lucy' Montgomery #2 27 episodes.
2002-2003 All My Children Joni Stafford 3 episodes.
2004 Law & Order: Special Victims Unit Tandi McCain "Outcry"
2004-2005 Veronica Mars Lilly Kane 10 episodes.
2005 House M.D. Pam "Detox"
2006 Veronica Mars Lilly Kane "Not Pictured"
2006 Justice Ann Diggs "Pretty Woman"
2006 Wildfire Rebecca 5 episodes.
2006 CSI: Crime Scene Investigation Lacey Finn "Rashomama"
2006-Present Big Love Sarah Henrickson
2008 American Dad! Amy "Escape from Pearl Bailey"