Katherine Parkinson: Katherine Parkinson. Actress: The Boat That Rocked. Katherine Jane Parkinson is an English actress. She appeared in Channel 4's The IT Crowd comedy series as Jen Barber, for which she received a British Comedy Best TV Actress Award in 2009 and 2014, and was nominated twice for the BAFTA Television Award for Best Female Comedy Performance, winning in 2014. Parkinson studied at the London Academy of Music and Dramatic Art,...