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Alyson Hannigan

Bio: 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)

Born: Sun, Mar 24 1974

Birthplace: Washington, District of Columbia, USA

Alyson Hannigan is 50 years old

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Acting Roles

Crew Roles

Movies (Acting Roles)

Sorted by Release Date

Office Race

Alyson Hannigan was

49 in Office Race

as 'Pat'.

Mon, Sep 04 2023

Flora & Ulysses

Alyson Hannigan was

46 in Flora & Ulysses

as 'Phyllis'.

Fri, Feb 19 2021

Abducted: The Mary Stauffer Story

Alyson Hannigan was

45 in Abducted: The Mary Stauffer Story

as 'Mary Stauffer'.

Sat, Oct 05 2019

You Might Be the Killer

Alyson Hannigan was

45 in You Might Be the Killer

as 'Chuck'.

Tue, May 21 2019

Kim Possible

Alyson Hannigan was

44 in Kim Possible

as 'Dr. Ann Possible'.

Fri, Feb 15 2019

Do You Take This Man

Alyson Hannigan was

43 in Do You Take This Man

as 'Rachael'.

Fri, Jul 07 2017

American Reunion

Alyson Hannigan was

38 in American Reunion

as 'Michelle Flaherty-Levenstein'.

Wed, Apr 04 2012

More Business of Being Born

Alyson Hannigan was

37 in More Business of Being Born

as 'Self [Part 2,3]'.

Tue, Nov 08 2011

Love, Wedding, Marriage

Alyson Hannigan was

37 in Love, Wedding, Marriage

as 'Courtney'.

Fri, Jun 03 2011

Farce of the Penguins

Alyson Hannigan was

32 in Farce of the Penguins

as 'Hottie Penguin (voice)'.

Fri, Dec 01 2006

Date Movie

Alyson Hannigan was

31 in Date Movie

as 'Julia Jones'.

Fri, Feb 17 2006

American Pie: Revealed

Alyson Hannigan was

29 in American Pie: Revealed

as 'Self'.

Fri, Jan 02 2004

American Wedding

Alyson Hannigan was

29 in American Wedding

as 'Michelle Flaherty'.

Fri, Aug 01 2003

Beyond the City Limits

Alyson Hannigan was

27 in Beyond the City Limits

as 'Lexi'.

Mon, Dec 17 2001

Buffy the Vampire Slayer: Once More, with Feeling

Alyson Hannigan was

27 in Buffy the Vampire Slayer: Once More, with Feeling

as 'Willow Rosenberg'.

Fri, Nov 02 2001

American Pie 2

Alyson Hannigan was

27 in American Pie 2

as 'Michelle Flaherty'.

Fri, Aug 10 2001

Playboy Mansion Parties Uncensored

Alyson Hannigan was

27 in Playboy Mansion Parties Uncensored

as 'Self'.

Thu, May 31 2001

Boys and Girls

Alyson Hannigan was

26 in Boys and Girls

as 'Betty'.

Fri, Jun 16 2000

Hayley Wagner, Star

Alyson Hannigan was

25 in Hayley Wagner, Star

as 'Jenna Jakes'.

Sun, Sep 19 1999

American Pie

Alyson Hannigan was

25 in American Pie

as 'Michelle Flaherty'.

Fri, Jul 09 1999

Dead Man on Campus

Alyson Hannigan was

24 in Dead Man on Campus

as 'Lucy'.

Fri, Aug 21 1998

For My Daughter's Honor

Alyson Hannigan was

22 in For My Daughter's Honor

as 'Kelly'.

Wed, Nov 20 1996

A Case for Life

Alyson Hannigan was

21 in A Case for Life

as 'Iris'.

Sun, Feb 18 1996

The Stranger Beside Me

Alyson Hannigan was

21 in The Stranger Beside Me

as 'Dana'.

Sun, Sep 17 1995

Switched at Birth

Alyson Hannigan was

17 in Switched at Birth

as 'Gina Twigg, Age 13–16, Age 13-16'.

Sun, Apr 28 1991

My Stepmother Is an Alien

Alyson Hannigan was

14 in My Stepmother Is an Alien

as 'Jessie Mills'.

Fri, Dec 09 1988

Impure Thoughts

Alyson Hannigan was

12 in Impure Thoughts

as 'Patty Stubbs (as Allison Hannigan)'.

Tue, Nov 25 1986

Dodie & Cheryl Get Hitched

Alyson Hannigan will be

50+ in Dodie & Cheryl Get Hitched

as 'Cheryl Crum'.

Unreleased

Solo Mio

Alyson Hannigan will be

50+ in Solo Mio

Unreleased

TV Shows (Acting Roles)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Doogie Kamealoha, M.D.

Alyson Hannigan was

47+ in Doogie Kamealoha, M.D.

as 'Dawn'.

First Air Date
Wed, Sep 08 2021

Adorableness

Alyson Hannigan was

47+ in Adorableness

as 'Self'.

First Air Date
Mon, Jul 19 2021

Outrageous Pumpkins

Alyson Hannigan was

46+ in Outrageous Pumpkins

as 'Self - Host'.

First Air Date
Sun, Sep 20 2020

Girl Scout Cookie Championship

Alyson Hannigan was

45+ in Girl Scout Cookie Championship

as 'Self - Host'.

First Air Date
Mon, Feb 03 2020

Outmatched

Alyson Hannigan was

45+ in Outmatched

as 'Beth'.

First Air Date
Thu, Jan 23 2020

The Kelly Clarkson Show

Alyson Hannigan was

45+ in The Kelly Clarkson Show

First Air Date
Mon, Sep 09 2019

Fancy Nancy: Fancy It Yourself

Alyson Hannigan was

45+ in Fancy Nancy: Fancy It Yourself

as 'Nancy'.

First Air Date
Mon, Apr 08 2019

Fancy Nancy

Alyson Hannigan was

44+ in Fancy Nancy

as 'Claire Clancy (voice)'.

First Air Date
Fri, Jul 13 2018

Fancy Nancy

Alyson Hannigan was

44+ in Fancy Nancy

as 'Claire Clancy (voice)'.

First Air Date
Fri, Jul 13 2018

The Gong Show

Alyson Hannigan was

43+ in The Gong Show

as 'Self - Judge'.

First Air Date
Thu, Jun 22 2017

Star Plates

Alyson Hannigan was

42+ in Star Plates

First Air Date
Tue, Sep 27 2016

The $100,000 Pyramid

Alyson Hannigan was

42+ in The $100,000 Pyramid

as 'Self'.

First Air Date
Mon, Jun 27 2016

Beat Bobby Flay

Alyson Hannigan was

39+ in Beat Bobby Flay

as 'Self'.

First Air Date
Sat, Aug 24 2013

Hollywood Game Night

Alyson Hannigan was

39+ in Hollywood Game Night

as 'Self'.

First Air Date
Thu, Jul 11 2013

Sofia the First

Alyson Hannigan was

38+ in Sofia the First

as '(voice)'.

First Air Date
Fri, Jan 11 2013

Penn & Teller: Fool Us

Alyson Hannigan was

36+ in Penn & Teller: Fool Us

as 'Self - Host'.

First Air Date
Fri, Jan 07 2011

Watch What Happens Live with Andy Cohen

Alyson Hannigan was

35+ in Watch What Happens Live with Andy Cohen

as 'Self - Guest'.

First Air Date
Thu, Jul 16 2009

The Goode Family

Alyson Hannigan was

35+ in The Goode Family

First Air Date
Wed, May 27 2009

The Bonnie Hunt Show

Alyson Hannigan was

34+ in The Bonnie Hunt Show

First Air Date
Mon, Sep 08 2008

The Megan Mullally Show

Alyson Hannigan was

32+ in The Megan Mullally Show

as 'Self - Guest'.

First Air Date
Mon, Sep 18 2006

I Love the '70s: Volume 2

Alyson Hannigan was

32+ in I Love the '70s: Volume 2

as 'Self'.

First Air Date
Mon, Jul 10 2006

The Reichen Show

Alyson Hannigan was

31+ in The Reichen Show

as 'Self'.

First Air Date
Fri, Nov 11 2005

How I Met Your Mother

Alyson Hannigan was

31+ in How I Met Your Mother

as 'Lily Aldrin'.

First Air Date
Mon, Sep 19 2005

Dancing with the Stars

Alyson Hannigan was

31+ in Dancing with the Stars

as 'Self - Contestant'.

First Air Date
Wed, Jun 01 2005

American Dad!

Alyson Hannigan was

30+ in American Dad!

as 'Lexie (voice), Ugly Stepsister #2 (voice), Chelsea (voice)'.

First Air Date
Sun, Feb 06 2005

Veronica Mars

Alyson Hannigan was

30+ in Veronica Mars

as 'Trina Echolls'.

First Air Date
Wed, Sep 22 2004

The Ellen DeGeneres Show

Alyson Hannigan was

29+ in The Ellen DeGeneres Show

as 'Self'.

First Air Date
Mon, Sep 08 2003

100 Deeds for Eddie McDowd

Alyson Hannigan was

25+ in 100 Deeds for Eddie McDowd

First Air Date
Sat, Oct 16 1999

Angel

Alyson Hannigan was

25+ in Angel

as 'Willow Rosenberg'.

First Air Date
Tue, Oct 05 1999

Teen Choice Awards

Alyson Hannigan was

25+ in Teen Choice Awards

as 'Self - Presenter'.

First Air Date
Sun, Aug 01 1999

The Late Late Show with Craig Kilborn

Alyson Hannigan was

25+ in The Late Late Show with Craig Kilborn

as 'Self - Guest'.

First Air Date
Tue, Mar 30 1999

The Wild Thornberrys

Alyson Hannigan was

24+ in The Wild Thornberrys

as 'Gerda (voice)'.

First Air Date
Tue, Sep 01 1998

That '70s Show

Alyson Hannigan was

24+ in That '70s Show

as 'Suzy Simpson'.

First Air Date
Sun, Aug 23 1998

Buffy the Vampire Slayer

Alyson Hannigan was

22+ in Buffy the Vampire Slayer

as 'Willow Rosenberg'.

First Air Date
Mon, Mar 10 1997

King of the Hill

Alyson Hannigan was

22+ in King of the Hill

as 'Stacey Gibson (voice)'.

First Air Date
Sun, Jan 12 1997

The Daily Show

Alyson Hannigan was

22+ in The Daily Show

as 'Self'.

First Air Date
Mon, Jul 22 1996

Touched by an Angel

Alyson Hannigan was

20+ in Touched by an Angel

as 'Cassie Peters'.

First Air Date
Wed, Sep 21 1994

Late Night with Conan O'Brien

Alyson Hannigan was

19+ in Late Night with Conan O'Brien

as 'Self - Guest'.

First Air Date
Mon, Sep 13 1993

MTV Movie & TV Awards

Alyson Hannigan was

18+ in MTV Movie & TV Awards

as 'Self - Presenter'.

First Air Date
Wed, Jun 10 1992

The Tonight Show with Jay Leno

Alyson Hannigan was

18+ in The Tonight Show with Jay Leno

First Air Date
Mon, May 25 1992

The Torkelsons

Alyson Hannigan was

17+ in The Torkelsons

as 'Samantha'.

First Air Date
Sat, Sep 21 1991

Rugrats

Alyson Hannigan was

17+ in Rugrats

as 'Cynthia P.I. (voice)'.

First Air Date
Sun, Aug 11 1991

The Simpsons

Alyson Hannigan was

15+ in The Simpsons

as 'Melody Juniper (voice)'.

First Air Date
Sun, Dec 17 1989

Free Spirit

Alyson Hannigan was

15+ in Free Spirit

as 'Jessie Harper'.

First Air Date
Fri, Sep 22 1989

Roseanne

Alyson Hannigan was

14+ in Roseanne

First Air Date
Tue, Oct 18 1988

Entertainment Tonight

Alyson Hannigan was

7+ in Entertainment Tonight

as 'Self'.

First Air Date
Tue, Sep 15 1981

Buffy the Animated Series

Alyson Hannigan will be

50+ in Buffy the Animated Series

as 'Willow Rosenberg'.

First Air Date
Unreleased