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Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel and Josh Radnor in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders 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 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 Neil Patrick Harris, Alyson Hannigan, Wayne Brady, Jason Segel, Ben Vereen, Josh Radnor, Sam Gibbs and Ellen Williams in How I Met Your Mother (2005)Still of Alyson Hannigan and Ellen Williams 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, Carter Bays, Pamela Fryman and Jason Segel in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Taran Killam, Jason Segel and Josh Radnor in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Wayne Brady, Jason Segel and Josh Radnor in How I Met Your Mother (2005)Still of Alyson Hannigan, Taran Killam, Jason Segel and Josh Radnor 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 Neil Patrick Harris, Alyson Hannigan and Cobie Smulders 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 Neil Patrick Harris, Alyson Hannigan and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris and 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 Neil Patrick Harris and 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 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 Alyson Hannigan and Jason Segel 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 Neil Patrick Harris, Alyson Hannigan and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother (2005)Still of Alyson Hannigan, Andrew Rannells and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan, Andrew Rannells, Josh Radnor and Cobie Smulders in How I Met Your Mother (2005)Still of Neil Patrick Harris, Alyson Hannigan and Cobie Smulders in How I Met Your Mother: Platonish (2013)Still of Neil Patrick Harris, Alyson Hannigan and Cobie Smulders in How I Met Your Mother: Platonish (2013)Still of Alyson Hannigan and Cobie Smulders in How I Met Your Mother: Platonish (2013)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)Alyson Hannigan and Cobie SmuldersAlyson Hannigan, Alexis Denisof and Francis SpeckerAlyson HanniganAlyson HanniganAlyson HanniganAlyson Hannigan and Cobie Smulders at event of The 65th Primetime Emmy Awards (2013)
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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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