Katherine Parkinson is a British actress known for her work in television, film, and theater. She gained widespread recognition for her role as Jen in the popular sitcom The IT Crowd, which aired from 2006 to 2013. Her performance earned her critical acclaim and a loyal fan base. In addition to her work on The IT Crowd, Parkinson has appeared in various other television series, including Doc Martin and Humans. She has also performed in stage productions, showcasing her versatility as an actress. Katherine continues to be an influential figure in the entertainment industry.