Tamsin Egerton

Tamsin Olivia Egerton-Dick (born 26 November 1988) is an English actress known for her roles as Chelsea Parker in the 2007 film ''St Trinian's'', Holly Goodfellow in the 2005 film ''Keeping Mum'' and Guinevere in the 2011 television series ''Camelot'', one of three different roles in TV series connected with Arthurian legends she played. Provided by Wikipedia