Her son Harry (born in 2006) is named after Harry Pearce, the character of her co-star Peter Firth in Spooks.
She left the hit television series MI-5 (2002) to give birth to her first child.
Olivier award winner for the play: 'The Curious Incident of the Dog in the Nighttime'.
Attended Cambridge University where she met dramatist Sarah Phelps and comedian Sue Perkins. After graduation the three shared various London flats along with actress Emma Kennedy.