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Alyson Hannigan

Alyson Hannigan was born in Washington, D.C., to Emilie (Posner), a real estate agent, and Al Hannigan, a truck driver. She began her acting career in Atlanta at the young age of 4 in commercials sponsoring such companies as McDonald's, Six Flags, and Oreos. She is a seasoned television actress veteran, guest starring in Picket Fences (1992), ... See full bio »

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5 wins & 16 nominations. See more awards »

Known For

How I Met Your Mother
How I Met Your Mother Lily Aldrin / Jasmine
Buffy the Vampire Slayer
Buffy the Vampire Slayer Willow Rosenberg
American Pie
American Pie Michelle Flaherty
American Pie 2
American Pie 2 Michelle Flaherty


Hide Hide Show Show Actress (46 credits)
 2016 The First Wives Club (TV Movie) (pre-production)
 2016 Do You Take This Man
 2014 The McCarthys (TV Series)
- Red Sox Swap (2014) ... Pam
 2014 Sofia the First (TV Series)
- Winter's Gift (2014) ... Winter (voice)
 2014 More Time with Family (TV Movie)
Cindy Rizzo
 2011-2013 American Dad! (TV Series)
- Finger Lenting Good (2013) ... (voice)
- Virtual In-Stanity (2011) ... Chelsea (voice)
 2011 Robot Chicken (TV Series)
 2011 The Simpsons (TV Series)
Melody Juniper
- Flaming Moe (2011) ... Melody Juniper (voice)
 2009 Tit for Tat (TV Series)
- The Booby Scare (2009) ... Ally
 2009 The Goode Family (TV Series)
- Graffiti in Greenville (2009) ... Michelle (voice)
 2004 King of the Hill (TV Series)
Stacey Gibson
- Talking Shop (2004) ... Stacey Gibson (voice)
 2004 Americana (TV Movie)
 2004 In the Game (TV Movie)
 2002-2003 Rugrats (TV Series)
Cynthia P.I. / Young Starlet
- Clown Around/The Baby Rewards (2003) ... Young Starlet (voice)
- Happy Taffy/Imagine That (2002) ... Cynthia P.I. (voice)
- Quiet, Please/Early Retirement (2002) ... Cynthia P.I. (voice)
 2002 Buffy the Vampire Slayer (Video Game)
Willow Rosenberg (voice)
 2000 Boys and Girls
 2000 The Wild Thornberrys (TV Series)
- Every Little Bit Alps (2000) ... Gerda (voice)
 1999-2000 100 Deeds for Eddie McDowd (TV Series)
- Return of Gigi (2000) ... Gigi (voice)
- All Howls Eve (1999) ... Gigi (voice)
 1999 Hayley Wagner, Star (TV Movie)
Jenna Jakes
 1996 For My Daughter's Honor (TV Movie)
 1996 Picket Fences (TV Series)
Peggy Patterson
- To Forgive Is Divine (1996) ... Peggy Patterson
 1996 A Case for Life (TV Movie)
 1996 Friends for Life (TV Movie)
Emma Daniels
 1995 The Stranger Beside Me (TV Movie)
 1994 Touched by an Angel (TV Series)
Cassie Peters
- Cassie's Choice (1994) ... Cassie Peters
 1993 Almost Home (TV Series)
- Hot Ticket (1993) ... Samantha
- The Dance (1993) ... Samantha
 1991 Switched at Birth (TV Movie)
Gina Twigg, Age 13-16
 1990 Roseanne (TV Series)
- Like, a New Job (1990) ... Jan
 1989-1990 Free Spirit (TV Series)
Jessie Harper
- Love and Death (1990) ... Jessie Harper
- Blast from the Past (1990) ... Jessie Harper
- We Gotta Be Me (1990) ... Jessie Harper
- Radio Nights (1989) ... Jessie Harper
- The New Secretary (1989) ... Jessie Harper
 1985 Impure Thoughts
Patty Stubbs (as Allison Hannigan)
Show Show Soundtrack (2 credits)
Show Show Self (76 credits)
Show Show Archive footage (6 credits)

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Personal Details

Other Works:

Intro clips for MTV's Movie Awards. See more »

Publicity Listings:

11 Interviews | 11 Articles | 4 Pictorials | 18 Magazine Cover Photos | See more »

Alternate Names:

Allison Hannigan


5' 4½" (1.64 m)

Did You Know?

Personal Quote:

[on her role as the witch "Willow", crossing over from Buffy the Vampire Slayer (1997) to act in the episode Angel: Orpheus (2003) on the series Angel (1999), where her fiancé, Alexis Denisof, is a regular:] "I finally get to spend a day with my honey, so that's really nervous coming in. I had butterflies in my stomach. I don't know why I was so nervous -- maybe because I don't know how to ... See more »


Is Godmother of Joss Whedon's son, Arden, and her husband, Alexis Denisof, is his Godfather. See more »


Red hair



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