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Alyson Hannigan

Alyson Lee Hannigan (born March 24, 1974) is an American actress. She is best known for her roles as Willow Rosenberg in the television series Buffy the Vampire Slayer (1997–2003), Lily Aldrin on the CBS sitcom How I Met Your Mother (2005–2014) and Michelle Flaherty in the American Pie film series (1999–present). Hannigan was born in Washington, D.C., the only child of Emilie (Posner) Haas, a real estate agent, and Al Hannigan, a truck driver. Her father is of Irish descent and her mother is Jewish. Her parents divorced when she was two and she was raised mostly by her mother in Atlanta, Georgia. Hannigan married fellow Buffy the Vampire Slayer actor Alexis Denisof at Two Bunch Palms Resort in Desert Hot Springs, California, on October 11, 2003. The couple have two daughters, Satyana Marie Denisof, born March 24, 2009, and Keeva Jane Denisof, born May 23, 2012. Hannigan and her husband are godparents to Joss Whedon's son, Arden. Description above from the Wikipedia article Alyson Hannigan, licensed under CC-BY-SA, full list of contributors on Wikipedia.


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Born:
Mar 24, 1974 In Washington, District of Columbia, USA
Movie/TV Credits:
49
First Appeared:
In the series Buffy the Animated Series
Latest Project:
Movie Office Race 2023-09-04
Known For
Poster of Penn & Teller: Fool Us
Poster of How I Met Your Mother
Poster of The Daily Show
Filmography
Series Buffy the Animated Series Willow Rosenberg 2025
Movie Office Race Pat 2023-09-04
Movie Flora & Ulysses Phyllis Buckman 2021-02-19
Movie Kim Possible Dr. Ann Possible 2019-02-15
Movie You Might Be the Killer Chuck 2019-05-21
Movie Abducted: The Mary Stauffer Story Mary Stauffer 2019-10-05
Series Fancy Nancy Claire Clancy (voice) 2018-07-13
Movie Do You Take This Man Rachael 2017-07-07
Series Star Plates 2016-09-27
Movie American Reunion Michelle Flaherty-Levenstein 2012-04-04
Series Penn & Teller: Fool Us Herself - Host 2011-01-07
Movie Love, Wedding, Marriage Courtney 2011-06-03
Movie More Business of Being Born Self [Part 2,3] 2011-11-08
Series The Goode Family Unknown 2009-05-27
Movie Farce of the Penguins Hottie Penguin (voice) 2006-12-01
Movie Date Movie Julia Jones 2006-02-17
Series How I Met Your Mother Lily Aldrin 2005-09-19
Series Veronica Mars Unknown 2004-09-22
Movie American Pie: Revealed Self 2004-01-02
Series The Ellen DeGeneres Show Unknown 2003-09-08
Movie American Wedding Michelle Flaherty 2003-08-01
Movie Playboy Mansion Parties Uncensored Self 2001-05-31
Movie Beyond the City Limits Lexi 2001-12-17
Movie American Pie 2 Michelle Flaherty 2001-08-10
Movie Boys and Girls Betty 2000-06-16
Series The Late Late Show with Craig Kilborn Unknown 1999-03-30
Movie American Pie Michelle Flaherty 1999-07-09
Series 100 Deeds for Eddie McDowd Unknown 1999-10-16
Movie Hayley Wagner, Star Jenna Jakes 1999-09-19
Series Angel Unknown 1999-10-05
Movie Dead Man on Campus Lucy 1998-08-21
Series The Wild Thornberrys Unknown 1998-09-01
Series That '70s Show Unknown 1998-08-23
Series Buffy the Vampire Slayer Willow Rosenberg 1997-03-10
Movie A Case for Life Iris 1996-02-18
Movie For My Daughter's Honor Kelly 1996-11-20
Series The Daily Show Unknown 1996-07-22
Movie The Stranger Beside Me Dana 1995-09-17
Series MADtv Unknown 1995-10-14
Series Touched by an Angel Unknown 1994-09-21
Series Late Night with Conan O'Brien Unknown 1993-09-13
Series The Tonight Show with Jay Leno Unknown 1992-05-25
Series The Torkelsons Unknown 1991-09-21
Movie Switched at Birth Gina Twigg, Age 13-16 1991-04-28
Series Free Spirit Jessie Harper 1989-09-22
Series The Simpsons Unknown 1989-12-17
Series Roseanne Unknown 1988-10-18
Movie My Stepmother Is an Alien Jessie Mills 1988-12-09
Movie Impure Thoughts Patty Stubbs (as Allison Hannigan) 1986-11-25