Krysten Alyce Ritter is an American actress, musician, author, and former model. After an early modeling stint, she appeared on the UPN noir mystery series Veronica Mars (2005–2006) and the CW comedy drama series Gilmore Girls (2006–2007). Her breakthrough role was Jane Margolis on the AMC drama series Breaking Bad (2009–2010), a character she reprised in its spinoff film El Camino (2019). She headlined the ABC sitcom Don't Trust the B---- in Apartment 23 (2012–2013) before playing the character Jessica Jones in the Marvel Cinematic Universe series Jessica Jones (2015–2019), The Defenders (2017), and Daredevil: Born Again (2025-). She also appeared in the Max miniseries Love & Death (2023).
Ritter's early film roles include the romantic comedies 27 Dresses (2007), What Happens in Vegas (2008), Confessions of a Shopaholic (2009), and She's Out of My League (2010). She wrote, co-produced, and starred in the comedy Life Happens (2011).