Willa Joannachance Holland (born June 18, 1991) is an American actress, voice actress and model, best known for her roles on FOX's The O.C. as Kaitlin Cooper, across The CW's Arrowverse as Thea Queen / Speedy, specifically on Arrow in a regular role, as well as in the Kingdom Hearts video game series as Aqua.
Her family are heavily attached in the show business. Her father, Keith Holland, is a cinematographer while her mother, Darnell Gregorio, is also an actress. She was also Brian De Palma's step-daughter for two years.
- The Comeback (2005) as Kalla
- The O.C. (2005 — 2007) as Kaitlin Cooper note
- Scarface: The World is Yours (2006) as The Assassin
- Gossip Girl (2008 — 2012) as Agnes Andrews
- Kingdom Hearts series (2010 — present) as Aqua (voice only):
- Kingdom Hearts: Birth by Sleep (2010)
- Kingdom Hearts 3D (2012)
- Kingdom Hearts HD 2.5 Remix (2014)
- Kingdom Hearts 0.2 Birth by Sleep - A Fragmentary Passage (2017)
- Kingdom Hearts III (2019)
- Legion (2010) as Audrey Anderson
- Straw Dogs (2011) as Janice Heddon
- Tiger Eyes (2012) as Davey Wexler
- Arrowverse (2012 — 2020) as Thea Queen / Speedy: