British actor Daniel Radcliffe is undergoing osteopathy treatment after playing a hunchback left him in agony. The Harry Potter star has been working on a new movie version of Mary Shelley's Frankenstein, playing the doctor's hunchback assistant Igor. Radcliffe, who recently finished a West End run in The Cripple Of Inishmaan, has now revealed bending his back for the role has left him with spinal troubles. He tells the London Evening Standard, "I went from playing (the cripple) to playing a hunchback and the hunchback is much harder. I'm having lots of osteopathy - lots of bone-cracking sessions."