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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)

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Office Race

Alyson Hannigan was 49 in Office Race as 'Pat'.

Movie Released: Mon, Sep 04 2023

Flora & Ulysses

Alyson Hannigan was 46 in Flora & Ulysses as 'Phyllis'.

Movie Released: Fri, Feb 19 2021

Abducted: The Mary Stauffer Story

Alyson Hannigan was 45 in Abducted: The Mary Stauffer Story as 'Mary Stauffer'.

Movie Released: Sat, Oct 05 2019

You Might Be the Killer

Alyson Hannigan was 45 in You Might Be the Killer as 'Chuck'.

Movie Released: Tue, May 21 2019

Kim Possible

Alyson Hannigan was 44 in Kim Possible as 'Dr. Ann Possible'.

Movie Released: Fri, Feb 15 2019

Do You Take This Man

Alyson Hannigan was 43 in Do You Take This Man as 'Rachael'.

Movie Released: Fri, Jul 07 2017

American Reunion

Alyson Hannigan was 38 in American Reunion as 'Michelle Flaherty-Levenstein'.

Movie Released: Wed, Apr 04 2012

More Business of Being Born

Alyson Hannigan was 37 in More Business of Being Born as 'Self [Part 2,3]'.

Movie Released: Tue, Nov 08 2011

Love, Wedding, Marriage

Alyson Hannigan was 37 in Love, Wedding, Marriage as 'Courtney'.

Movie Released: Fri, Jun 03 2011

Farce of the Penguins

Alyson Hannigan was 32 in Farce of the Penguins as 'Hottie Penguin (voice)'.

Movie Released: Fri, Dec 01 2006

Date Movie

Alyson Hannigan was 31 in Date Movie as 'Julia Jones'.

Movie Released: Fri, Feb 17 2006

American Pie: Revealed

Alyson Hannigan was 29 in American Pie: Revealed as 'Self'.

Movie Released: Fri, Jan 02 2004

American Wedding

Alyson Hannigan was 29 in American Wedding as 'Michelle Flaherty'.

Movie Released: Fri, Aug 01 2003

Beyond the City Limits

Alyson Hannigan was 27 in Beyond the City Limits as 'Lexi'.

Movie Released: Mon, Dec 17 2001

American Pie 2

Alyson Hannigan was 27 in American Pie 2 as 'Michelle Flaherty'.

Movie Released: Fri, Aug 10 2001

Playboy Mansion Parties Uncensored

Alyson Hannigan was 27 in Playboy Mansion Parties Uncensored as 'Self'.

Movie Released: Thu, May 31 2001

Boys and Girls

Alyson Hannigan was 26 in Boys and Girls as 'Betty'.

Movie Released: Fri, Jun 16 2000

Hayley Wagner, Star

Alyson Hannigan was 25 in Hayley Wagner, Star as 'Jenna Jakes'.

Movie Released: Sun, Sep 19 1999

American Pie

Alyson Hannigan was 25 in American Pie as 'Michelle Flaherty'.

Movie Released: Fri, Jul 09 1999

Dead Man on Campus

Alyson Hannigan was 24 in Dead Man on Campus as 'Lucy'.

Movie Released: Fri, Aug 21 1998

For My Daughter's Honor

Alyson Hannigan was 22 in For My Daughter's Honor as 'Kelly'.

Movie Released: Wed, Nov 20 1996

A Case for Life

Alyson Hannigan was 21 in A Case for Life as 'Iris'.

Movie Released: Sun, Feb 18 1996

The Stranger Beside Me

Alyson Hannigan was 21 in The Stranger Beside Me as 'Dana'.

Movie Released: Sun, Sep 17 1995

Switched at Birth

Alyson Hannigan was 17 in Switched at Birth as 'Gina Twigg, Age 13–16, Age 13-16'.

Movie Released: Sun, Apr 28 1991

My Stepmother Is an Alien

Alyson Hannigan was 14 in My Stepmother Is an Alien as 'Jessie Mills'.

Movie Released: Fri, Dec 09 1988

Impure Thoughts

Alyson Hannigan was 12 in Impure Thoughts as 'Patty Stubbs (as Allison Hannigan)'.

Movie Released: Tue, Nov 25 1986

Dodie & Cheryl Get Hitched

Alyson Hannigan will be 50+ in Dodie & Cheryl Get Hitched as 'Cheryl Crum'.

Movie Released: Unreleased

Solo Mio

Alyson Hannigan will be 50+ in Solo Mio

Movie Released: 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'.

TV Show Released: First Air Date
Wed, Sep 08 2021

Adorableness

Alyson Hannigan was 47+ in Adorableness as 'Self'.

TV Show Released: First Air Date
Mon, Jul 19 2021

Outrageous Pumpkins

Alyson Hannigan was 46+ in Outrageous Pumpkins as 'Self - Host'.

TV Show Released: First Air Date
Sun, Sep 20 2020

Girl Scout Cookie Championship

Alyson Hannigan was 45+ in Girl Scout Cookie Championship as 'Self - Host'.

TV Show Released: First Air Date
Mon, Feb 03 2020

Outmatched

Alyson Hannigan was 45+ in Outmatched as 'Beth'.

TV Show Released: First Air Date
Thu, Jan 23 2020

The Kelly Clarkson Show

Alyson Hannigan was 45+ in The Kelly Clarkson Show

TV Show Released: First Air Date
Mon, Sep 09 2019

Fancy Nancy: Fancy It Yourself

Alyson Hannigan was 45+ in Fancy Nancy: Fancy It Yourself as 'Nancy'.

TV Show Released: First Air Date
Mon, Apr 08 2019

Fancy Nancy

Alyson Hannigan was 44+ in Fancy Nancy as 'Claire Clancy (voice)'.

TV Show Released: First Air Date
Fri, Jul 13 2018

Fancy Nancy (Duplicated)

Alyson Hannigan was 44+ in Fancy Nancy (Duplicated) as 'Claire Clancy (voice)'.

TV Show Released: First Air Date
Fri, Jul 13 2018

The Gong Show

Alyson Hannigan was 43+ in The Gong Show as 'Self - Judge'.

TV Show Released: First Air Date
Thu, Jun 22 2017

Star Plates

Alyson Hannigan was 42+ in Star Plates

TV Show Released: First Air Date
Tue, Sep 27 2016

The $100,000 Pyramid

Alyson Hannigan was 42+ in The $100,000 Pyramid as 'Self'.

TV Show Released: First Air Date
Mon, Jun 27 2016

Beat Bobby Flay

Alyson Hannigan was 39+ in Beat Bobby Flay as 'Self'.

TV Show Released: First Air Date
Sat, Aug 24 2013

Hollywood Game Night

Alyson Hannigan was 39+ in Hollywood Game Night as 'Self'.

TV Show Released: First Air Date
Thu, Jul 11 2013

Sofia the First

Alyson Hannigan was 38+ in Sofia the First as '(voice)'.

TV Show Released: First Air Date
Fri, Jan 11 2013

Penn & Teller: Fool Us

Alyson Hannigan was 36+ in Penn & Teller: Fool Us as 'Self - Host'.

TV Show Released: 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'.

TV Show Released: First Air Date
Thu, Jul 16 2009

The Goode Family

Alyson Hannigan was 35+ in The Goode Family

TV Show Released: First Air Date
Wed, May 27 2009

The Bonnie Hunt Show

Alyson Hannigan was 34+ in The Bonnie Hunt Show

TV Show Released: First Air Date
Mon, Sep 08 2008

The Megan Mullally Show

Alyson Hannigan was 32+ in The Megan Mullally Show as 'Self - Guest'.

TV Show Released: 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'.

TV Show Released: First Air Date
Mon, Jul 10 2006

The Reichen Show

Alyson Hannigan was 31+ in The Reichen Show as 'Self'.

TV Show Released: 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'.

TV Show Released: First Air Date
Mon, Sep 19 2005

Dancing with the Stars

Alyson Hannigan was 31+ in Dancing with the Stars as 'Self - Contestant'.

TV Show Released: 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)'.

TV Show Released: First Air Date
Sun, Feb 06 2005

Veronica Mars

Alyson Hannigan was 30+ in Veronica Mars as 'Trina Echolls'.

TV Show Released: First Air Date
Wed, Sep 22 2004

The Ellen DeGeneres Show

Alyson Hannigan was 29+ in The Ellen DeGeneres Show as 'Self'.

TV Show Released: First Air Date
Mon, Sep 08 2003

100 Deeds for Eddie McDowd

Alyson Hannigan was 25+ in 100 Deeds for Eddie McDowd

TV Show Released: First Air Date
Sat, Oct 16 1999

Angel

Alyson Hannigan was 25+ in Angel as 'Willow Rosenberg'.

TV Show Released: First Air Date
Tue, Oct 05 1999

Teen Choice Awards

Alyson Hannigan was 25+ in Teen Choice Awards as 'Self - Presenter'.

TV Show Released: 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'.

TV Show Released: First Air Date
Tue, Mar 30 1999

The Wild Thornberrys

Alyson Hannigan was 24+ in The Wild Thornberrys as 'Gerda (voice)'.

TV Show Released: First Air Date
Tue, Sep 01 1998

That '70s Show

Alyson Hannigan was 24+ in That '70s Show as 'Suzy Simpson'.

TV Show Released: First Air Date
Sun, Aug 23 1998

Buffy the Vampire Slayer

Alyson Hannigan was 22+ in Buffy the Vampire Slayer as 'Willow Rosenberg'.

TV Show Released: First Air Date
Mon, Mar 10 1997

King of the Hill

Alyson Hannigan was 22+ in King of the Hill as 'Stacey Gibson (voice)'.

TV Show Released: First Air Date
Sun, Jan 12 1997

The Daily Show

Alyson Hannigan was 22+ in The Daily Show as 'Self'.

TV Show Released: First Air Date
Mon, Jul 22 1996

Touched by an Angel

Alyson Hannigan was 20+ in Touched by an Angel as 'Cassie Peters'.

TV Show Released: 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'.

TV Show Released: First Air Date
Mon, Sep 13 1993

MTV Movie & TV Awards

Alyson Hannigan was 18+ in MTV Movie & TV Awards as 'Self - Presenter'.

TV Show Released: First Air Date
Wed, Jun 10 1992

The Tonight Show with Jay Leno

Alyson Hannigan was 18+ in The Tonight Show with Jay Leno

TV Show Released: First Air Date
Mon, May 25 1992

The Torkelsons

Alyson Hannigan was 17+ in The Torkelsons as 'Samantha'.

TV Show Released: First Air Date
Sat, Sep 21 1991

Rugrats

Alyson Hannigan was 17+ in Rugrats as 'Cynthia P.I. (voice)'.

TV Show Released: First Air Date
Sun, Aug 11 1991

The Simpsons

Alyson Hannigan was 15+ in The Simpsons as 'Melody Juniper (voice)'.

TV Show Released: First Air Date
Sun, Dec 17 1989

Free Spirit

Alyson Hannigan was 15+ in Free Spirit as 'Jessie Harper'.

TV Show Released: First Air Date
Fri, Sep 22 1989

Roseanne

Alyson Hannigan was 14+ in Roseanne

TV Show Released: First Air Date
Tue, Oct 18 1988

Entertainment Tonight

Alyson Hannigan was 7+ in Entertainment Tonight as 'Self'.

TV Show Released: First Air Date
Tue, Sep 15 1981

Buffy the Animated Series

Alyson Hannigan will be 50+ in Buffy the Animated Series as 'Willow Rosenberg'.

TV Show Released: First Air Date
Unreleased