Katherine Parkinson is an English actress. She is best known for her role as Jen Barber in the Channel 4 comedy series The IT Crowd, for which she received a British Comedy Best TV Actress Award in 2009 and a BAFTA TV Award in 2014 (having received a nomination in 2011). She was also a main cast member of the series Doc Martin for three series, and performed the voiceovers for the games Worms Clan Wars and Worms Battlegrounds. She co-starred in Humans, an eight part sci-fi drama on AMC/Channel 4, which premiered in June 2015.