<P> Seeking to stop him, the girls take control of the reconstruction of the Golden Hind and sail it down the Thames, whereupon they attack Pier's boat, with Camilla recovering the play's script from him . The girls soon return to St. Trinian's for a wild party to celebrate their success, while Piers is exposed for being a sexist after AD1 is revealed to the media . </P> <Ul> <Li> Rupert Everett as Miss Camilla Dagey Fritton, Archibald Fritton, and Reverend Fortnum Fritton </Li> <Li> David Tennant as Sir Piers Pomfrey, and Lord Pomfrey </Li> <Li> Colin Firth as Geoffrey Thwaites </Li> <Li> Talulah Riley as Annabelle Lealla Fritton </Li> <Li> Sarah Harding as Roxy </Li> <Li> Tamsin Egerton as Chelsea Parker </Li> <Li> Clara Paget as Bella </Li> <Li> Gabriella Wilde as Saffy </Li> <Li> Juno Temple as Celia </Li> <Li> Ella Smith as Lucy </Li> <Li> Montserrat Lombard as Zoe </Li> <Li> Zawe Ashton as Bianca </Li> <Li> Jessica Agombar as Jessica </Li> <Li> Cloe Mackie & Holly Mackie as Tania & Tara </Li> <Li> Gemma Arterton as Kelly Opossum Jones </Li> <Li> Celia Imrie as St Trinian's Matron </Li> <Li> Toby Jones as St Trinian's Bursar </Li> <Li> Jodie Whittaker as Beverly, the Receptionist </Li> <Li> Christian Brassington as Peters, Sir Piers' Assistant </Li> <Li> Tom Riley as' Romeo' </Li> <Li> Georgia King as' Juliet' </Li> <Li> Ricky Wilson as Roxy's boyfriend </Li> <Li> Katherine Parkinson as the Science teacher </Li> </Ul> <Li> Rupert Everett as Miss Camilla Dagey Fritton, Archibald Fritton, and Reverend Fortnum Fritton </Li> <Li> David Tennant as Sir Piers Pomfrey, and Lord Pomfrey </Li>

Who plays the headteacher in st trinians 2