Serena Evans (born 2 December 1959) is a British actress who is best known for playing Police Sergeant Patricia Dawkins in the sitcom The Thin Blue Line which was shown on BBC1 from 1995 to 1996. She also had a regular role as Sarah Chapman in ITV sitcom The Piglet Files, and appeared in six episodes of The Comic Strip Presents playing various characters, such as the schoolgirl, in 'The... see more