Jennifer Anne Garner (born April 17, 1972) is an American actress. Born in Houston, Texas, and raised in Charleston, West Virginia, Garner studied theater at Denison University and began acting as an understudy for the Roundabout Theatre Company in New York City. She made her screen debut in the television film adaptation of Danielle Steel's romance novel Zoya in 1995. She had a starring role on the Fox teen drama series Time of Your Life (1999–2000), and supporting roles in the war drama film Pearl Harbor (2001) and the comedy-drama film Catch Me If You Can (2002).
Garner gained recognition for starring as CIA officer Sydney Bristow in the ABC action thriller series Alias (2001–2006), winning a Golden Globe Award and a SAG Award, in addition to four Primetime Emmy Award nominations. She also starred in the romantic comedy 13 Going on 30 (2004), and portrayed Elektra in the superhero films Daredevil (2003) and Elektra (2005). Other commercial successes include the romantic comedies Juno (2007), Ghosts of Girlfriends Past (2009), and Valentine's Day (2010).
Garner has since starred in several independent films, including the biographical drama Dallas Buyers Club (2013), and family comedies such as Alexander and the Terrible, Horrible, No Good, Very Bad Day (2014), Love, Simon (2018), and Yes Day (2021). She also starred in the action films Peppermint (2018) and The Adam Project (2022), and in the AppleTV+ limited series The Last Thing He Told Me (2023).
Garner works as an activist for early childhood education and is a board member of Save the Children USA. She is the co-founder and chief brand officer of the organic baby food company Once Upon a Farm. She is also an advocate for anti-paparazzi campaigns among children of celebrities.