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Alyson Hannigan

Actress / Stage Actress / Television Actress / Film Actress | * 03/24/1974 (51) | Washington, D.C. (United States of America (USA))
1,550

Alyson Lee Hannigan (born March 24, 1974) is an American actress and television presenter. She is best known for her roles as Willow Rosenberg in the television series Buffy the Vampire Slayer (1997–2003), as Lily Aldrin in the sitcom How I Met Your Mother (2005–2014) for which she won a People's Choice Award in 2009, and as Michelle Flaherty in the American Pie film series (1999–2012). Since 2016, Hannigan has hosted the television show Penn & Teller: Fool Us. She also provides the voice of Claire Clancy in the Disney Junior animated series Fancy Nancy (2018–present).

Photo of Alyson Hannigan
Most frequent genres for this person: Comedies | Drama | Kids & Family

Known for these Movies & Shows

The characters we met a little more than a decade ago return to East Great Falls for their high school reunion. In one long-overdue weekend, they will discover what has changed, who hasn’t, and that ...

American Reunion

R

2012 | 3.1/5 | 1h 53min
Comedy
available on:
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At a high-school party, four friends find that losing their collective virginity isn't as easy as they had thought. But they still believe that they need to do so before college. To motivate themselve ...

American Pie

R

1999 | 3.3/5 | 1h 35min
Comedy, Romance / Love
available on:
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A father recounts to his children - through a series of flashbacks - the journey he and his four best friends took leading up to him meeting their mother. ...

How I Met Your Mother

TV-14

2005 | 4.1/5 | 22min per episode
Comedy
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Into every generation a slayer is born: one girl in all the world, a chosen one. She alone will wield the strength and skill to fight the vampires, demons, and the forces of darkness; to stop the spre ...

Buffy the Vampire Slayer

TV-14

1997 | 4.1/5
Science-Fiction & Fantasy, Comedy, Drama, Action & Adventure
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Watch now!

Awards & Nominations for Alyson Hannigan

Young Hollywood Awards Saturn Award for Best Supporting Actress On Television Teen Choice Award for Choice TV - Villain People's Choice Award for Favorite Actress in a New TV Series Young Artist Award for Best Performance in a Feature Film - Young Actress Age Ten or Younger Young Artist Award for Best Performance in a TV Series - Leading Young Actress Saturn Award for Best Supporting Actress On Television Satellite Award for Best Supporting Actress – Television Series Teen Choice Award for Choice Movie: Liplock 2x Teen Choice Award for Choice Movie Actress – Comedy People's Choice Award for Favorite Actress in a New TV Series
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Movies with Alyson Hannigan as Actress(28)

as Cheryl Crum2025 Dodie & Cheryl Get Hitched
as Pat2023 Office Race
as Phyllis Buckman2021 Flora & Ulysses
as Chuck2019 You Might Be the Killer
as Dr. Ann Possible2019 Kim Possible
as Mary Stauffer2019 Abducted: The Mary Stauffer Story
as Rachael2017 Do You Take This Man
as Michelle Flaherty-Levenstein2012 American Reunion
as Courtney2011 Love, Wedding, Marriage
as Hottie Penguin (voice)2007 Farce of the Penguins
as Julia Jones2006 Date Movie
as herself2004 American Pie: Revealed
as Willow Rosenberg (voice)2004 Buffy The Vampire Slayer: The Animated Series
as Michelle Flaherty2003 American Wedding
as herself2001 Playboy Mansion Parties Uncensored
as Lexi2001 Beyond the City Limits
as Michelle Flaherty2001 American Pie 2
as Betty2000 Boys and Girls
as Jenna Jakes1999 Hayley Wagner, Star
as Michelle Flaherty1999 American Pie
as Lucy1998 Dead Man on Campus
as Iris1996 A Case for Life
as Kelly1996 For My Daughter's Honor
as Dana1995 The Stranger Beside Me
as Gina Twigg, Age 13–161991 Switched at Birth
as Gina Twigg, Age 13-161991 Switched at Birth
as Jessie Mills1988 My Stepmother Is an Alien
as Patty Stubbs (as Allison Hannigan)1986 Impure Thoughts

TV Shows/Series with Alyson Hannigan as Actress(35)

as Dawn2021 Doogie Kamealoha, M.D.
as Self - Host2020 Outrageous Pumpkins
2020 Outrageous Pumpkins
as Beth2020 Outmatched
as Self - Host2020 Girl Scout Cookie Championship
as Claire Clancy (voice)2018 Fancy Nancy
as Herself - Judge2017 The Gong Show
as herself2016 The $100,000 Pyramid
2016 Star Plates
as herself2013 Hollywood Game Night
as Self - Host2011 Penn & Teller: Fool Us
2009 The Goode Family
2008 The Bonnie Hunt Show
as herself2006 The Megan Mullally Show
as Lily Aldrin2005 How I Met Your Mother
as Chelsea (voice)2005 American Dad!
as Ugly Stepsister #2 (voice)2005 American Dad!
as herself2005 The Reichen Show
as Trina Echolls2004 Veronica Mars
as herself2003 The Ellen DeGeneres Show
1999 100 Deeds for Eddie McDowd
as Self - Guest1999 The Late Late Show with Craig Kilborn
as Willow Rosenberg1999 Angel
as Suzy Simpson1998 That '70s Show
as Gerda (voice)1998 The Wild Thornberrys
as Stacey Gibson (voice)1997 King of the Hill
as Willow Rosenberg1997 Buffy the Vampire Slayer
as herself1996 The Daily Show
as Cassie Peters1994 Touched by an Angel
as Self - Guest1993 Late Night with Conan O'Brien
1992 The Tonight Show with Jay Leno
1991 The Torkelsons
as Jessie Harper1989 Free Spirit
1989 The Simpsons
1988 Roseanne

TV Shows/Series with Alyson Hannigan as Crew(1)

Production/Producer2011 Penn & Teller: Fool Us

Additional Information

Official websites:
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Full Name: Alyson Lee Hannigan
Born: Sunday, 03/24 1974 (March) in Washington, D.C. (United States of America (USA)) (current age: 51 years + 347 days)
Zodiac sign: Aries (Chinese zodiac sign: Tiger)
Languages: English (EN, native language)
Educated at: California State University, Northridge, North Hollywood High School
Spouses (current/former): Alexis Denisof
Other names for Alyson Hannigan (nicknames, foreign languages etc.):
"Элисон Хэннигэн"
"Άλισον Χάνιγκαν"
"Άλισον Λι Χάνιγκαν"
"艾丽森·汉尼根"
"Alyson Lee Hannigan"
"Alyson Lee Denisof"
"Allycat" (Nickname)
Alyson Hannigan frequently works together with these people:
David Herman (103x, Actor)
Kevin Michael Richardson (48x, Actor)
Tress MacNeille (36x, Actress)
Mike Barker (34x, Actor)
Phil LaMarr (24x, Actor)
Paget Brewster (24x, Actress)
Chris Diamantopoulos (23x, Actor)
Pamela Hayden (23x, Actress)
Maurice LaMarche (19x, Actor)
Phil Hendrie (19x, Actor)
Scott Klace (18x, Actor)
Adam Herz (10x, Crew)
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WatchPlayStream ID: PEOPLE:1546, Added: 03/23/2018, Last updated: 02/19/2026