Actress who appeared on Sherlock in 2010 and Silent Witness in 2002, and had a recurring role on the series The Thick of It from 2007 to 2012.
She and her comedy writing partner Sarah Solemani, collaborated on the script for a BBC sitcom that Charlie Hanson agreed to produce.
She had twelve-year-long relationship with actor Benedict Cumberbatch. The couple split up in 2011 and remained friends.
She studied theater at England's Manchester University and went on to appear in a 2001 episode of The Bill.
She was born in London and attended Putney High School.