. Jamie Campbell Bower (Twilight, Harry Potter, Mortal Instruments... Lead Singer of Rock band Counterfeit ) as Jeffrey Aspern Poppy Delevingne as Signora Colonna Jon Kortajarena (A Single Man...) as Paolo Morgane Polanski (Vikings...) as Valentina Colonna EFTA00645503 Daisy Bevan (The Two Faces of January..