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Still of Alyson Hannigan and Alan Fudge in How I Met Your Mother: The Goat (2008)Still of Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan and Nicholas Brendon in Buffy the Vampire Slayer (1997)Still of Sarah Michelle Gellar, Alyson Hannigan and Nicholas Brendon in Buffy the Vampire Slayer (1997)Still of Sarah Michelle Gellar and Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan and James Marsters in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan and Amber Benson in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan and Amber Benson in Buffy the Vampire Slayer (1997)Still of Sarah Michelle Gellar, Charisma Carpenter, Alyson Hannigan and Anthony Head in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Sarah Michelle Gellar and Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Sarah Michelle Gellar and Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Seth Green and Alyson Hannigan in Buffy the Vampire Slayer (1997)Still of Sarah Michelle Gellar, Alyson Hannigan, Nicholas Brendon and Anthony Head in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan, Nicholas Brendon and Emma Caulfield in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan and Amber Benson in Buffy the Vampire Slayer (1997)Still of Alyson Hannigan and Josh Radnor in How I Met Your Mother (2005)Still of Alyson Hannigan in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan and Cobie Smulders in How I Met Your Mother (2005)Still of Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)Still of Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)Still of Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)Still of Alyson Hannigan and Michael Gross in How I Met Your Mother (2005)Still of Alyson Hannigan in How I Met Your Mother (2005)Still of Alyson Hannigan and Josh Radnor in How I Met Your Mother (2005)Still of Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)Still of Alyson Hannigan, Jason Segel and Josh Radnor in How I Met Your Mother (2005)Still of Alyson Hannigan in How I Met Your Mother (2005)Still of Alyson Hannigan in How I Met Your Mother (2005)Still of Alyson Hannigan, Jason Segel and Cobie Smulders in How I Met Your Mother (2005)Still of Alyson Hannigan in How I Met Your Mother (2005)Still of Neil Patrick Harris and Alyson Hannigan in How I Met Your Mother (2005)Still of Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)Still of Alyson Hannigan in How I Met Your Mother (2005)Still of Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)Still of Alyson Hannigan and Barry Finkel in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor, Cobie Smulders and Becki Newton in How I Met Your Mother (2005)Still of Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Sarah Chalke and Jason Segel in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel and Josh Radnor in How I Met Your Mother (2005)Still of Alyson Hannigan, Josh Radnor and Cobie Smulders in How I Met Your Mother (2005)Still of Alyson Hannigan and Josh Radnor in How I Met Your Mother (2005)Still of Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)
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Biography

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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