High Quality Content by WIKIPEDIA articles! Gwen Cooper is a fictional character in the BBC television programme Torchwood, a spin-off to the long-running show Doctor Who, portrayed by Welsh actress Eve Myles. The series` lead female character, Gwen has featured in every episode of the sci-fi programme to date as well as two crossover episodes of Torchwood`s parent show, Doctor Who. Additionally, Gwen appears in Expanded Universe material such as the Torchwood novels and audiobooks, comic books and radio plays. Portraying Gwen has increased Myles` profile as an actress, and her portrayal has also been cited as effective in promoting Welsh visibility on television.