Alyson Lee Hannigan  born March 24, 1974n is an American actress. She is best known for her roles as Willow Rosenberg on the cult classic television series Buffy the Vampire Slayer, Michelle Flaherty in three American Pie films and Lily Aldrin on the CBS sitcom How I Met Your Mother.
Contents
* 1 Early life
   * 2 Career
   * 3 Personal life
   * 4 Filmography
   * 5 References
   * 6 External links
 Early life
Hannigan was born in Washington, D.C., the daughter of Emilie Posner, a real estate agent, and Al Hannigan, a truck drive Hannigan is of Irish descent on her father's side and Jewish on her mother's  Her parents divorced a year after her birth and she was raised mostly by her mother in Atlanta citation needed
 Career
Although Hannigan had appeared in an industrial film for "Active Parenting" as a baby, as well as having starred in a commercial for the Duncan Hines cookie mix in 1978, it was not until 1985, when she moved to Los Angeles, California, that she formally began her acting career. Living with her mother and attending North Hollywood High School, she successfully auditioned for agents while visiting her father in Santa Barbara. After attending North Hollywood High School, she attended California State University, Northridge
Hannigan's first major film role was in My Stepmother Is an Alien, a science fiction comedy released in 1988; one of her co-stars in the film was actor Seth Green, who would later join her in the regular cast of Buffy as her on-screen boyfriend. Then in 1989, her first regular role on a TV series came when she was cast in the short-lived ABC sitcom Free Spirit.
In 1997, at 23 Hannigan was cast to play Willow Rosenberg, Buffy's best friend, on the television series Buffy the Vampire Slayer  replacing Riff Regan, who played Willow in the unaired 25-minute pilot The show became a success, and Hannigan gained recognition, subsequently appearing in several notable films aimed at teenage audiences, including American Pie, American Pie 2, Boys and Girls, and American Wedding. By the time Buffy had ended in 2003, Hannigan was earning a US$250,000 salary for each episode. She also had a guest spot on the Buffy spin-off, Angel, reprising her role of Willow in a few episodes  including most notably "Orpheus", during the fourth season of Angel and the seventh season of Buffy  but none after Buffy finished production
In early 2004, Hannigan made her West End debut, starring in a stage adaptation of When Harry Met Sally... at the Theatre Royal Haymarket, opposite Luke Perry
In 2005, Hannigan returned to starring in a regular television series, appearing in the hit comedy, How I Met Your Mother, as Lily, and also playing a recurring guest role on Veronica Mars as Trina Echolls
In February 2006, Hannigan starred as Julia Jones in Date Movie, a parody of romantic comedies. Alyson also was a guest star on the ABC animated sitcom The Goode Family in 2009
Hannigan joined forces with Emily Deschanel, Jaime King, Minka Kelly, and Katharine McPhee in a video slumber party featured on FunnyorDie.com to promote regular breast cancer screenings for the organization Stand Up 2 Cancer
With husband Alexis Denisof
 Personal life
Hannigan has dated Ginger Fish of Marilyn Manson She married actor Alexis Denisof  who played Wesley Wyndam-Pryce in the Buffy/Angel franchise and also appeared in How I Met Your Mother as Robin's co-anchor Sandy Rivers in the first and sixth season   at Two Bunch Palms Resort in Desert Hot Springs, California on October 11, 2003. They bought a house together in Santa Monica, California. Their daughter, Satyana Marie Denisof, was born at home six years later on March 24, 2009, Hannigan's 35th birthday
Hannigan at a celebration of the 100th episode of How I Met Your Mother in January 2010.
Film
Year  Film  Role  Notes
1986  Impure Thoughts  Patty Stubbs  As Allison Hannigan
1988  My Stepmother Is an Alien  Jessie Mills  
1991  Switched at Birth  Gina Twigg, Age 13–16  TV movie
1995  The Stranger Beside Me  Dana  TV movie
1996  A Case for Life  Iris  TV movie
For My Daughter's Honor  Kelly  TV movie
1998  Dead Man on Campus  Lucy  
1999  Hayley Wagner, Star  Jenna Jakes  TV movie
American Pie  Michelle Flaherty  
2000  Boys and Girls  Betty  
2001  American Pie 2  Michelle Flaherty  
Beyond the City Limits  Lexi  
2003  American Wedding  Michelle Flaherty  
2004  Americana  Andrea  TV movie
2005  In the Game  Unknown  TV movie
2006  Date Movie  Julia Jones
Television
Year  Title  Role  Notes
1989–1990  Free Spirit  Jessie Harper  Regular 14 episodes
1990  Roseanne  Jan  Episode: "Like, a New Job"
1993  Almost Home  Samantha  Episode: "The Dance"
Episode: "Hot Ticket"
1994  Touched by an Angel  Cassie Peters  Episode: "Cassie's Choice"
1996  Picket Fences  Peggy Patterson  Episode: "To Forgive Is Devine"
1996  Friends for Life  Emma Daniels  Unaired TV Pilot
1999–2000  100 Deeds for Eddie McDowd  Gigi  Episode: "All Howls Eve"
Episode: "The Return of Gigi"
2000  The Wild Thornberrys  Gerda  Episode: "Every Little Bit Alps"
1997–2003  Buffy the Vampire Slayer  Willow Rosenberg  Regular  144 episodes
2001–2003  Angel  Episode: "Disharmony"
Episode: "There's No Place Like Plrtz Glrb"
Episode: "Orpheus"
2004  That '70s Show  Suzy Simpson  Episode: "Sally Simpson"
Episode: "Won't Get Fooled Again"
King of the Hill  Stacey Gibson  Episode: "Talking Shop"
2005  Veronica Mars  Trina Echolls  Episode: "Ruskie Business"
Episode: "Hot Dogs"
Episode: "My Mother, the Fiend"
2009  The Goode Family  Michelle  Episode: "Graffiti in Greenville"
2005–present  How I Met Your Mother  Lily Aldrin  Regular 114 episodes
2011  The Simpsons  Melody  Season 22: Episode 11: "Flaming Moe"

Alyson Hannigan

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