Alyson Hannigan

Alyson Hannigan

Known for
Acting
Born
March 24, 1974 (age 52)
Birthplace
Washington, District of Columbia, USA

Biography

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).

Known For

Photos

Alyson Hannigan photoAlyson Hannigan photoAlyson Hannigan photoAlyson Hannigan photo

Filmography

—
Dodie & Cheryl Get Hitched

Dodie & Cheryl Get Hitched

Movie · as Cheryl Crum

—
American Pie: Beneath the Crust Vol. 2 poster

American Pie: Beneath the Crust Vol. 2

Movie · as Self

2026
Solo Mio poster

Solo Mio

Movie · as Meghan

2025
Dancing with the Stars Official Podcast poster

Dancing with the Stars Official Podcast

TV · as Self · 1 ep

2023
Office Race poster

Office Race

Movie · as Pat

2021
Flora & Ulysses poster

Flora & Ulysses

Movie · as Phyllis

2021
Doogie Kamealoha, M.D. poster

Doogie Kamealoha, M.D.

TV · as Dawn · 1 ep

2021
Adorableness poster

Adorableness

TV · as Self · 10 eps

2020
Girl Scout Cookie Championship poster

Girl Scout Cookie Championship

TV · as Self - Host · 4 eps

2020
Outmatched poster

Outmatched

TV · as Beth · 1 ep

2020
Outrageous Pumpkins poster

Outrageous Pumpkins

TV · as Self - Host · 8 eps

2019
Kim Possible poster

Kim Possible

Movie · as Dr. Ann Possible

2019
You Might Be the Killer poster

You Might Be the Killer

Movie · as Chuck

2019
Abducted: The Mary Stauffer Story poster

Abducted: The Mary Stauffer Story

Movie · as Mary Stauffer

2019
The Kelly Clarkson Show poster

The Kelly Clarkson Show

TV · as Self · 1 ep

2019
Fancy Nancy: Fancy It Yourself poster

Fancy Nancy: Fancy It Yourself

TV · as Nancy · 20 eps

2018
Man of the House

Man of the House

Movie · as Jessie

2018
Fancy Nancy poster

Fancy Nancy

TV · as Claire Clancy (voice) · 123 eps

2017
Do You Take This Man poster

Do You Take This Man

Movie · as Rachael

2017
The Gong Show poster

The Gong Show

TV · as Self - Judge · 1 ep

2016
Star Plates poster

Star Plates

TV · 6 eps

2016
The $100,000 Pyramid poster

The $100,000 Pyramid

TV · as Self · 1 ep

2013
Sofia the First poster

Sofia the First

TV · as (voice) · 1 ep

2013
Hollywood Game Night poster

Hollywood Game Night

TV · as Self · 1 ep

2013
Beat Bobby Flay poster

Beat Bobby Flay

TV · as Self · 1 ep

2012
American Reunion poster

American Reunion

Movie · as Michelle Levenstein

2011
Love, Wedding, Marriage poster

Love, Wedding, Marriage

Movie · as Courtney

2011
More Business of Being Born poster

More Business of Being Born

Movie · as Self [Part 2,3]

2011
Penn & Teller: Fool Us poster

Penn & Teller: Fool Us

TV · as Self - Host · 109 eps

2009
The Goode Family poster

The Goode Family

TV · 1 ep

2009
Watch What Happens Live with Andy Cohen poster

Watch What Happens Live with Andy Cohen

TV · as Self - Guest · 1 ep

2008
Buffy the Animated Series poster

Buffy the Animated Series

TV · as Willow Rosenberg · 1 ep

2008
The Bonnie Hunt Show poster

The Bonnie Hunt Show

TV · as Self · 1 ep

2006
Date Movie poster

Date Movie

Movie · as Julia Jones

2006
Farce of the Penguins poster

Farce of the Penguins

Movie · as Hottie Penguin (voice)

2006
I Love the '70s: Volume 2 poster

I Love the '70s: Volume 2

TV · as Self · 2 eps

2006
The Megan Mullally Show poster

The Megan Mullally Show

TV · as Self - Guest · 1 ep

2005
How I Met Your Mother poster

How I Met Your Mother

TV · as Lily Aldrin · 208 eps

2005
American Dad! poster

American Dad!

TV · as Lexie (voice), Ugly Stepsister #2 (voice), Chelsea (voice) · 1 ep

2005
Dancing with the Stars poster

Dancing with the Stars

TV · as Self - Contestant · 11 eps

2005
The Reichen Show poster

The Reichen Show

TV · as Self · 1 ep

2005
Robot Chicken poster

Robot Chicken

TV · as Steelheart (voice) · 1 ep

2004
American Pie: Revealed poster

American Pie: Revealed

Movie · as Self

2004
Veronica Mars poster

Veronica Mars

TV · as Trina Echolls · 3 eps

2003
American Wedding poster

American Wedding

Movie · as Michelle Flaherty

2003
The Ellen DeGeneres Show poster

The Ellen DeGeneres Show

TV · as Self · 4 eps

2003
Pepsi Smash

Pepsi Smash

TV · as Self - Host · 1 ep

2003
Jimmy Kimmel Live! poster

Jimmy Kimmel Live!

TV · as Self - Guest · 2 eps

2001
American Pie 2 poster

American Pie 2

Movie · as Michelle Flaherty

2001
Beyond the City Limits poster

Beyond the City Limits

Movie · as Lexi

2001
Playboy Mansion Parties Uncensored

Playboy Mansion Parties Uncensored

Movie · as Self

2001
Buffy's Back: The E! Original Special poster

Buffy's Back: The E! Original Special

Movie · as Self

2000
Boys and Girls poster

Boys and Girls

Movie · as Betty

1999
American Pie poster

American Pie

Movie · as Michelle Flaherty

1999
Hayley Wagner, Star poster

Hayley Wagner, Star

Movie · as Jenna Jakes

1999
Angel poster

Angel

TV · as Willow Rosenberg · 3 eps

1999
100 Deeds for Eddie McDowd poster

100 Deeds for Eddie McDowd

TV · 2 eps

1999
The Late Late Show with Craig Kilborn poster

The Late Late Show with Craig Kilborn

TV · as Self - Guest · 1 ep

1999
Teen Choice Awards poster

Teen Choice Awards

TV · as Self · 1 ep

1998
Dead Man on Campus poster

Dead Man on Campus

Movie · as Lucy

1998
That '70s Show poster

That '70s Show

TV · as Suzy Simpson · 2 eps

1998
The Wild Thornberrys poster

The Wild Thornberrys

TV · as Gerda (voice) · 1 ep

1997
Buffy the Vampire Slayer poster

Buffy the Vampire Slayer

TV · as Willow Rosenberg · 144 eps

1997
King of the Hill poster

King of the Hill

TV · as Stacey Gibson (voice) · 1 ep

1996
For My Daughter's Honor poster

For My Daughter's Honor

Movie · as Kelly

1996
A Case for Life

A Case for Life

Movie · as Iris

1996
The Daily Show poster

The Daily Show

TV · as Self - Guest · 2 eps

1996
TFI Friday poster

TFI Friday

TV · 1 ep

1995
The Stranger Beside Me poster

The Stranger Beside Me

Movie · as Dana

1994
Touched by an Angel poster

Touched by an Angel

TV · as Cassie Peters · 1 ep

1993
Late Night with Conan O'Brien poster

Late Night with Conan O'Brien

TV · as Self - Guest · 6 eps

1993
Late Show with David Letterman poster

Late Show with David Letterman

TV · as Self - Guest, Self - Top Ten Presenter · 2 eps

1992
The Tonight Show with Jay Leno poster

The Tonight Show with Jay Leno

TV · 1 ep

1992
MTV Movie & TV Awards poster

MTV Movie & TV Awards

TV · as Self - Presenter · 1 ep

1992
Picket Fences poster

Picket Fences

TV · as Peggy Patterson · 1 ep

1991
The Torkelsons poster

The Torkelsons

TV · as Samantha · 2 eps

1991
Rugrats poster

Rugrats

TV · as Cynthia P.I. (voice) · 2 eps

1989
The Simpsons poster

The Simpsons

TV · as Melody Juniper (voice) · 1 ep

1989
Free Spirit poster

Free Spirit

TV · as Jessie Harper · 14 eps

1988
My Stepmother Is an Alien poster

My Stepmother Is an Alien

Movie · as Jessie Mills

1988
Roseanne poster

Roseanne

TV · 1 ep

1986
Impure Thoughts poster

Impure Thoughts

Movie · as Patty Stubbs

1981
Entertainment Tonight poster

Entertainment Tonight

TV · as Self · 1 ep