Keira Christina Knightley was born in the South London suburb of Richmond on March 26th 1985. She is the daughter of actor Will Knightley and actress turned playwright Sharman Macdonald. An older brother, Caleb, was born in 1979. Brought up immersed in the acting profession from both sides - writing and performing - it is little wonder that the young Keira asked for her own agent at the age of three. She was granted one at the age of six and performed in her first TV role as Little Girl in Royal Celebration (1993) (TV), age seven. It was discovered at an early age that Keira had severe difficulties in reading and writing. She was not officially dyslexic as she never sat the formal tests required of the British Dyslexia Association. Instead she worked incredibly hard, encouraged by her family, until the problem had been overcome by her early teens.

Keira had no formal training as an actress (trained as a dancer) and did it out of pure enjoyment. She went to an ordinary council-run school in nearby Teddington and had no idea what she wanted to do when she left. By now she was beginning to receive far more substantial roles and was starting to turn work down as one project and her schoolwork was enough to contend with.