English comedian, actress, writer, director and producer. She is known for writing and starring in the BBC Three comedy Nighty Night and Sky Atlantic comedies Hunderby and Camping, which she also directed. A seven-time BAFTA TV Award nominee, she won Best Comedy Writing for Hunderby in 2013. She is also known for playing Dawn Sutcliffe in Gavin & Stacey. Her film roles include Love Actually, Cemetery Junction and Four Lions.