Keira Knightley is an English actress born on March 26, 1985. She began acting as a child and rose to prominence in the early 2000s with roles in films such as "Bend It Like Beckham" (2002) and "Pirates of the Caribbean" (2003).

Knightley has since become a highly respected and versatile actress, known for her range of performances in a variety of genres. She has received numerous accolades throughout her career, including two Academy Award nominations, three Golden Globe nominations, and two BAFTA Awards.

Some of Knightley's notable film roles include Elizabeth Swann in the "Pirates of the Caribbean" franchise, Cecilia Tallis in "Atonement" (2007), Anna Karenina in "Anna Karenina" (2012), and Joan Clarke in "The Imitation Game" (2014). She has also appeared in period dramas such as "Pride & Prejudice" (2005) and "The Duchess" (2008), as well as contemporary films like "Love Actually" (2003) and "Begin Again" (2013).

In addition to her film work, Knightley has also acted in stage productions, including a revival of "The Misanthrope" in London's West End. She is also known for her work as an activist, particularly for causes related to feminism and environmentalism.

Overall, Keira Knightley is a talented and respected actress with a diverse range of performances in both film and stage productions. She has become one of the most recognizable and respected figures in the entertainment industry.