Catherine Tate (born Catherine Ford; 12 May 1968) is an English actress, writer and comedienne. She has won numerous awards for her work on the sketch comedy series The Catherine Tate Show as well as being nominated for an International Emmy Award and seven BAFTA Awards. Tate played Donna Noble in the 2006 Christmas special of Doctor Who and later reprised her role, becoming the Doctor's companion for the fourth series in 2008. She had a recurring role as Nellie Bertram in the US version of The Office. She appeared in two episodes of London's Burning (series seven, episode fifteen and series eleven, episode six) in unrelated roles.