Born: March 24, 1974
Birthplace: Washington, D.C., U.S.
Alyson Lee Hannigan (born March 24, 1974) is an American actress. She is best known for her roles as Willow Rosenberg on the television series Buffy the Vampire Slayer (1997-2003), Lily Aldrin on the sitcom How I Met Your Mother (2005-2014), and Michelle Flaherty in the American Pie film series (1999-2012).Hannigan was born in Washington, D.C., the only child of Emilie (Posner) Haas, a real estate agent, and Alan Hannigan, a Teamsters trucker. Her father is of Irish ancestry and her mother is Jewish.
At age four, Hannigan began appearing in commercials. She moved to Hollywood at age 11.
Living with her mother and attending North Hollywood High School, she successfully auditioned for agents while visiting her father in Santa Barbara. After attending North Hollywood High School, she attended California State University, Northridge, where she was a member of the Alpha Chi Omega sorority and earned a degree in psychology.
Hannigan's first major film role was in My Stepmother Is an Alien, a science-fiction comedy released in 1988; one of her co-stars in the film was actor Seth Green, who later joined her in the regular cast of Buffy as her on-screen boyfriend. In 1989, her first regular role on a TV series came when she was cast in the short-lived ABC sitcom Free Spirit. As a teenager, Hannigan babysat for the children of her future How I Met Your Mother costar, Bob Saget.
In 1997, Hannigan was cast to play Willow Rosenberg, Buffy Summers' best friend, on the television series Buffy the Vampire Slayer.
The show became a success, and Hannigan gained recognition, subsequently appearing in several films aimed at teenaged audiences, including American Pie (1999), Boys and Girls (2000), American Pie 2 (2001), and American Wedding (2003). She also had a guest spot on the Buffy spin-off, Angel, reprising her role of Willow in a few episodes (including most notably "Orpheus", during the fourth season of Angel and the seventh season of Buffy), but none after Buffy finished production.
In early 2004, Hannigan made her West End debut, starring in a stage adaptation of When Harry Met Sally... at the Theatre Royal Haymarket, opposite Luke Perry.
In 2005, Hannigan returned to starring in a regular television series, taking the main role of Lily Aldrin in the hit comedy How I Met Your Mother, and also playing a recurring guest role on Veronica Mars as Trina Echolls. In February 2006, she starred as Julia Jones in Date Movie, a parody of romantic comedies. She was also a guest star on the ABC animated sitcom The Goode Family in 2009.
Hannigan joined forces with Emily Deschanel, Jaime King, Minka Kelly, and Katharine McPhee in a "video slumber party" featured on FunnyorDie.com to promote regular breast cancer screenings for the organization Stand Up 2 Cancer.
In 2012, Hannigan reprised the role of Michelle in American Reunion. Since 2016, Hannigan has hosted the television series Penn & Teller: Fool Us.Hannigan, right, alongside Penn Jillette and Kyle Marlett on Fool Us.
In 2018, TVLine revealed that Hannigan will play Ann Possible in a live action TV movie based on the Disney Channel cartoon Kim Possible.
Hannigan married her Buffy the Vampire Slayer and Angel co-star Alexis Denisof at Two Bunch Palms Resort in Desert Hot Springs, California, on October 11, 2003. The couple live in Encino, Los Angeles with their two daughters.
|1986||Impure Thoughts||Patty Stubbs|
|1988||My Stepmother Is an Alien||Jessie Mills|
|1998||Dead Man on Campus||Lucy|
|1999||American Pie||Michelle Flaherty|
|2000||Boys and Girls||Betty|
|2001||American Pie 2||Michelle Flaherty|
|2001||Beyond the City Limits||Lexi|
|2003||American Wedding||Michelle Flaherty|
|2006||Date Movie||Julia Jones|
|2007||Farce of the Penguins||Hottie Penguin||Voice|
|2011||Love, Wedding, Marriage||Courtney|
|2012||American Reunion||Michelle Flaherty-Levenstein|
|2016||Do You Take This Man||Rachael|
|2018||You Might Be the Killer||Chuck|
|1989-90||Free Spirit||Jessie Harper||14 episodes|
|1990||Roseanne||Jan||Episode: "Like, a New Job"|
|1991||Switched at Birth||Gina Twigg (Age 13-16)||Television film|
|1993||Almost Home||Samantha||2 episodes|
|1994||Touched by an Angel||Cassie Peters||Episode: "Cassie's Choice"|
|1995||The Stranger Beside Me||Dana||Television film|
|1996||A Case for Life||Iris||Television film|
|1996||For My Daughter's Honor||Kelly||Television film|
|1996||Picket Fences||Peggy Patterson||Episode: "To Forgive Is Devine"|
|1996||Friends for Life||Emma Daniels||Pilot|
|1997-2003||Buffy the Vampire Slayer||Willow Rosenberg||144 episodes|
|1999-2000||100 Deeds for Eddie McDowd||Gigi||Voice|
|1999||Hayley Wagner, Star||Jenna Jakes||Television film|
|2000||The Wild Thornberrys||Gerda||Voice|
Episode: "Every Little Bit Alps"
|2001-03||Angel||Willow Rosenberg||3 episodes|
|2002-03||Rugrats||Cynthia P.I. / Young Starlet||Voice|
|2004||That '70s Show||Suzy Simpson||2 episodes|
|2004||King of the Hill||Stacey Gibson||Voice|
Episode: "Talking Shop"
|2004||In the Game||(Role unknown)||Pilot (Unaired)|
|2005-06||Veronica Mars||Trina Echolls||3 episodes|
|2005-14||How I Met Your Mother||Lily Aldrin||206 episodes|
|2009||The Goode Family||Michelle||Voice|
Episode: "Graffiti in Greenville"
Episode: "Flaming Moe"
|2011, 2018||Robot Chicken||Various voices||Voice|
Episodes: "Big Trouble in Little Clerks 2"; "Shall I Visit the Dinosaurs?"
|2011, 2013||American Dad!||Chelsea / Peasant's Daughter||Voice|
|2014||More Time with Family||Cindy Rizzo||Pilot|
|2014||Sofia the First||Winter||Voice|
Episode: "Winter's Gift"
|2014||The McCarthys||Pam||Episode: "Red Sox Swap"|
|2016||The First Wives Club||Maggie||Pilot|
|2016-present||Penn & Teller: Fool Us||Herself (host)||26 episodes|
|2018||Man of the House||Jessie||Pilot|
|2018||Fancy Nancy||Claire Clancy||Voice|
Episode: "La Danse of Friendship/Show La La!"
|2019||Kim Possible||Ann Possible||Television film, in preproduction|
|2004||When Harry Met Sally...||Sally Albright||Theatre Royal Haymarket|
|1989||Young Artist Award||Best Young Actress in a Motion Picture: Comedy or Fantasy||My Stepmother Is an Alien||Nominated|
|1990||Best Young Actress Starring in a Television Series||Free Spirit||Nominated|
|2000||Young Hollywood Awards||Best Ensemble Cast||American Pie||Won|
|Teen Choice Awards||Choice TV Sidekick||Buffy the Vampire Slayer||Nominated|
|2001||Saturn Awards||Best Supporting Actress on Television||Nominated|
|2001||Teen Choice Awards||Choice TV Sidekick||Nominated|
|2002||Saturn Awards||Best Supporting Actress on Television||Won|
|2002||Satellite Awards||Best Supporting Actress - Television Series||Nominated|
|2002||Teen Choice Awards||Choice TV Sidekick||Won|
|2003||Saturn Awards||Best Supporting Actress on Television||Nominated|
|2003||Teen Choice Awards||Choice TV Sidekick||Nominated|
|2004||Choice Movie Actress - Comedy||American Wedding||Nominated|
|2004||Choice Movie Liplock||Nominated|
|2008||Choice TV Show: Comedy||How I Met Your Mother||Nominated|
|2009||People's Choice Awards||Favorite TV Comedy Actress||Won|
|2010||Favorite TV Comedy Actress||Nominated|
|2012||Favorite TV Comedy||Won|
|2012||Teen Choice Awards||Choice Movie Actress: Romantic Comedy||American Reunion||Nominated|
Alyson Hannigan supports the following charitable causes: Rape/Sexual Abuse, AIDS, Pediatric AIDS.