Alyson Hannigan

Alyson Hannigan

1974-03-24 Washington, District of Columbia, USA 29 Credits

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 Cla...

Known For

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Complete Filmography

Solo Mio

2026

Acting

Matt’s fiancé has dreamed of a wedding in Italy. He saves up and flies his whole family over for the wedding and has even booked a lavish honeymoon af...

Office Race

Office Race

2023

as Pat

4.7
Acting

An unambitious office worker goes to great lengths—specifically 26.2 miles—to one up his exercise-obsessed, micromanaging boss.

Flora & Ulysses

Flora & Ulysses

2021

as Phyllis

6.5
Acting

When Flora rescues a squirrel she names Ulysses, she is amazed to discover he possesses unique superhero powers, which take them on an adventure of hu...

Abducted: The Mary Stauffer Story

Abducted: The Mary Stauffer Story

2019

as Mary Stauffer

6.5
Acting

High school teacher Mary Stauffer and her eight-year old daughter, Beth are held captive for 53 days by an obsessed former student. Based on a true st...

You Might Be the Killer

You Might Be the Killer

2019

as Chuck

5.9
Acting

Counselors are being killed off at summer camp, and Sam is stuck in the middle of it. Instead of contacting the cops, he calls his friend and slasher-...

Kim Possible

Kim Possible

2019

as Dr. Ann Possible

5.5
Acting

Everyday teen hero Kim Possible and her best friend Ron Stoppable embark on their freshman year of high school, all while saving the world from evil v...

Do You Take This Man

Do You Take This Man

2017

as Rachael

4.7
Acting

When a gay couple's impending wedding hits a snag, the grooms must rely on their friends and family to see them through.

American Reunion

American Reunion

2012

as Michelle Flaherty-Levenstein

6.3
Acting

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...

More Business of Being Born

More Business of Being Born

2011

as Self [Part 2,3]

Acting

Executive Producer Ricki Lake and Filmmaker Abby Epstein follow their landmark documentary,'The Business of Being Born', with an all-new, four part DV...

Love, Wedding, Marriage

Love, Wedding, Marriage

2011

as Courtney

5.2
Acting

A happy newlywed marriage counselor's views on wedded bliss get thrown for a loop when she finds out her parents are getting divorced.

Farce of the Penguins

Farce of the Penguins

2006

as Hottie Penguin (voice)

4.0
Acting

In this spoof of "March of the Penguins," nature footage of penguins near the South Pole gets a soundtrack of human voices. Carl and Jimmy, best frien...

Date Movie

Date Movie

2006

as Julia Jones

4.3
Acting

Spoof of romantic comedies which focuses on a man, his crush, his parents, and her father.

American Pie: Revealed

American Pie: Revealed

2004

as Self

6.0
Acting

Documentary about the making of American Pie (1999), American Pie 2 (2001) and American Wedding (2003).

American Wedding

American Wedding

2003

as Michelle Flaherty

6.2
Acting

With high school a distant memory, Jim and Michelle are getting married — and in a hurry, since Jim's grandmother is sick and wants to see him walk do...

Beyond the City Limits

Beyond the City Limits

2001

as Lexi

4.9
Acting

Three women outsmart unsavory men who try to cheat them out of their take in an almost-botched casino heist.

American Pie 2

American Pie 2

2001

as Michelle Flaherty

6.2
Acting

After a year apart - attending different schools, meeting different people - the guys rent a beach house and vow to make this the best summer ever. As...

Playboy Mansion Parties Uncensored

2001

as Self

6.9
Acting

See inside the exclusive Playboy Mansion, with parties attended by all the A-List celebrities

Boys and Girls

Boys and Girls

2000

as Betty

6.0
Acting

Ryan and Jennifer are opposites who definitely do not attract. At least that's what they always believed. When they met as twelve-year-olds, they disl...

Hayley Wagner, Star

Hayley Wagner, Star

1999

as Jenna Jakes

3.0
Acting

Having outgrown her role, a pampered child actor returns to her family and tries to be an ordinary youngster.

American Pie

American Pie

1999

as Michelle Flaherty

6.6
Acting

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 n...

Dead Man on Campus

Dead Man on Campus

1998

as Lucy

5.4
Acting

Two college roommates venture out to identify a fellow student, who is most likely to commit suicide as it will help them pass the semester.

For My Daughter's Honor

For My Daughter's Honor

1996

as Kelly

5.3
Acting

Fourteen-year-old high school student, Amy Dustin, becomes an object of romantic affection to the school's biology teacher and football coach, Pete Na...

A Case for Life

1996

as Iris

4.3
Acting

To save her unborn child, she had to fight for the right to die. A True Story

The Stranger Beside Me

The Stranger Beside Me

1995

as Dana

6.7
Acting

When Jennifer marries Chris, it seems she can finally let go of her tragic past. But behind the perfect facade lies a violent, possessive dark side--a...

Switched at Birth

Switched at Birth

1991

as Gina Twigg, Age 13–16

6.6
Acting

This is the story of the two babies who were switched at birth. A few years later when one of the girls gets sick and tests revealed that she was not ...

Switched at Birth

Switched at Birth

1991

as Gina Twigg, Age 13-16

6.6
Acting

This is the story of the two babies who were switched at birth. A few years later when one of the girls gets sick and tests revealed that she was not ...

My Stepmother Is an Alien

My Stepmother Is an Alien

1988

as Jessie Mills

5.7
Acting

Trying to rescue her home planet from destruction, a gorgeous extraterrestrial named Celeste arrives on Earth and begins her scientific research. She ...

Impure Thoughts

Impure Thoughts

1986

as Patty Stubbs (as Allison Hannigan)

3.7
Acting

Four male friends are reunited after not being in contact with each other for several years. However, the meeting place is Purgatory, the afterlife st...

Dodie & Cheryl Get Hitched

N/A

as Cheryl Crum

Acting

An offbeat comedy about two small town lesbians who decide to get married and the ugly swell of hypocrisy with which they have to contend.