Alyson Hannigan Filmography: Every Movie and TV Show in Order

How many movies and TV shows has Alyson Hannigan been in? This complete Alyson Hannigan filmography lists 43 credited roles (18 films, 25 TV series), in chronological order from 1988 to 2026, with links to our full guides where available.

Alyson Hannigan movies in order

• My Stepmother Is an Alien (1988) as Jessie Mills
• The Stranger Beside Me (1995) as Dana
• Dead Man on Campus (1998) as Lucy
• American Pie (1999) as Michelle Flaherty
• Boys and Girls (2000) as Betty
• American Pie 2 (2001) as Michelle Flaherty
• American Wedding (2003) as Michelle Flaherty
• American Pie: Revealed (2004) as Self
• Date Movie (2006) as Julia Jones
• Farce of the Penguins (2006) as Hottie Penguin (voz)
• Love, Wedding, Marriage (2011) as Courtney
• American Reunion (2012) as Michelle Levenstein
• Kim Possible (2019) as Dr. Ann Possible
• You Might Be the Killer (2019) as Chuck
• Abducted: The Mary Stauffer Story (2019) as Mary Stauffer
• Flora & Ulysses (2021) as Phyllis
• Office Race (2023) as Pat
• Solo Mio (2026) as Meghan

Alyson Hannigan TV shows

• Roseanne (1988)
• The Simpsons (1989) as Melody Juniper (voice)
• Rugrats (1991) as Cynthia P.I. (voice)
• Picket Fences (1992) as Peggy Patterson
• Touched by an Angel (1994) as Cassie Peters
• King of the Hill (1997) as Stacey Gibson (voice)
• Buffy the Vampire Slayer (1997) as Willow Rosenberg
• That '70s Show (1998) as Suzy Simpson
• The Wild Thornberrys (1998) as Gerda (voice)
• Angel (1999) as Willow Rosenberg
• Veronica Mars (2004) as Trina Echolls
• American Dad! (2005) as Lexie (voice)
• American Dad! (2005) as Ugly Stepsister #2 (voice)
• American Dad! (2005) as Chelsea (voice)
• Robot Chicken (2005) as Steelheart (voice)
• Dancing with the Stars (2005) as Self - Contestant
• Dancing with the Stars (2005) as Self - Audience Member
• Dancing with the Stars (2005) as Self - Rehearsal Visitor
• How I Met Your Mother (2005) as Lily Aldrin
• Sofia the First (2013) as (voice)
• Hollywood Game Night (2013) as Self
• Beat Bobby Flay (2013) as Self
• Fancy Nancy (2018) as Claire Clancy (voice)
• Outmatched (2020) as Beth
• Doogie Kamealoha, M.D. (2021) as Dawn

Filmography data via TMDB, refreshed automatically as new roles are announced.