Derren Litten (born 21 December 1970) is an English comedy writer and actor. He is best known as the co-writer of the award-winning The Catherine Tate Show, for which he wrote and appeared as several different characters in the first two series and the 2005 Christmas Special. He has also acted in many comedy and drama series including Perfect World, French and Saunders, Spaced, EastEnders, Green Wing and Pie in The Sky with Richard Griffiths.