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Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Alyson Hannigan Alyson Hannigan Still of Alyson Hannigan and Jason Segel in How I Met Your Mother Still of Alyson Hannigan in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel and Josh Radnor in How I Met Your Mother Still of Alyson Hannigan in How I Met Your Mother Still of Alyson Hannigan, Jason Segel and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel and Josh Radnor in How I Met Your Mother Still of Alyson Hannigan, Jason Segel and Jai Rodriguez in How I Met Your Mother Still of Alyson Hannigan and Jason Segel in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Wayne Brady, Jason Segel and Jai Rodriguez in How I Met Your Mother Still of Alyson Hannigan, Wayne Brady, Josh Radnor and Jai Rodriguez in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan and Jason Segel in How I Met Your Mother Still of Alyson Hannigan and Cobie Smulders in How I Met Your Mother Alyson Hannigan at event of The Muppets Still of Neil Patrick Harris, Alyson Hannigan, Kal Penn, Jason Segel, Josh Radnor and Nazanin Boniadi in How I Met Your Mother Still of Alyson Hannigan and Chris Elliott in How I Met Your Mother Still of Alyson Hannigan and Jason Segel in How I Met Your Mother Still of Alyson Hannigan and Chris Elliott in How I Met Your Mother Still of Alyson Hannigan and Jason Segel in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Wayne Brady, Kal Penn, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Kal Penn, Jason Segel and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Kal Penn, Jason Segel and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel and Cobie Smulders in How I Met Your Mother Still of Alyson Hannigan and Jason Segel in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Kal Penn, Jason Segel and Cobie Smulders in How I Met Your Mother Still of Jason Biggs and Alyson Hannigan in American Reunion Still of Alyson Hannigan in How I Met Your Mother Still of Alyson Hannigan in How I Met Your Mother Still of Alyson Hannigan and Jason Segel in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan and Jason Segel in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Alyson Hannigan, Jennifer Morrison, Jason Segel and Josh Radnor in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jennifer Morrison, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother Still of Alyson Hannigan, Jennifer Morrison, Jason Segel and Josh Radnor in How I Met Your Mother Still of Alyson Hannigan and Cobie Smulders in How I Met Your Mother Still of Alyson Hannigan and Cobie Smulders in How I Met Your Mother Still of Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor and Cobie Smulders in How I Met Your Mother

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View the latest pictures, photos and images of Alyson Hannigan - Alyson, born in Washington DC, 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, Roseanne, Touched by an Angel and the The Torkelsons before starring in her most notorious role yet in Buffy the Vampire Slayer as "Willow Rosenberg"... See full bio