Julia Charlotte L. Davis ( born 25 August 1966 ) is an English comedian , actress , writer , and director . She is known for writing and starring in the BBC Three comedy '' Nighty Night '' ( 2004 – 2005 ) and the comedies '' Hunderby '' ( 2012 – 15 ) and '' Camping '' ( 2016 ) , which she also directed . An eight-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 '' ( 2007 – 2009 ) . Her film roles include '' Love Actually '' ( 2003 ) , '' Cemetery Junction '' ( 2010 ) and '' Four Lions '' ( 2010 ) and the critically acclaimed '' Phantom Thread '' ( 2017 ) starring Daniel Day Lewis . Davis created '' Sally4Ever '' in 2018 , which won a British Academy Television Award for Best Scripted Comedy in May 2019
Best Comedy Writing
2013 British Academy Television Craft Awards
Julia Davis