1. Matt Smith makes his debut in the musical version of American Psycho in London this week. REX USA / Alastair Muir / Rex 2. And the yuppie serial killer could not be a more different first role since leaving Doctor Who. REX USA / Alastair Muir / Rex Daniel Radcliffe made a similar bold move after leaving Harry Potter, starring on Broadway in a revival of How To Succeed In Business Without Ever Really Trying. 3. The musical, adapted from the Bret Easton Ellis novel, opens at the Almeida Theatre on Friday 13 December. REX USA / Alastair Muir / Rex 4. It's an especially brave move for Matt, who has never sung or danced before. REX USA / Alastair Muir / Rex He told Radio Times: "It's a bizarre challenge, especially as I've never sung before. I thought, 'why not give it a stab... foolishly'. I mean, it's not like other musicals - which is why I took it. It's difficult and challenging." 5. Easton Ellis himself approves of the casting. REX USA / Alastair Muir / Rex The author had not been keen on the 2000 movie adaptation, but seems more on board with the new musical. When the casting was announced, he tweeted: "Happy about Matt Smith in AMERICAN PSYCHO: THE MUSICAL, but I also liked the idea of runner-up Andrew Rannells in the role. Maybe Broadway..." 6. It looks like there is a lot of impressive dancing. REX USA / Alastair Muir / Rex 7. The music and lyrics were written by Duncan Sheik, the man behind Spring Awakening, with the book by Roberto Aguirre-Sacase. REX USA / Alastair Muir / Rex 8. In American Psycho Bateman is a hedonistic investment banker by day and a serial killer by night. REX USA / Alastair Muir / Rex 9. But events in the book are left ambiguous, so it is never certain whether any of the crimes actually happened, or are the fantasies of a delusional psychotic. REX USA / Alastair Muir / Rex 10. After this, Smith will next be seen in the movie How To Catch A Monster, directed by Ryan Gosling. REX USA / Alastair Muir / Rex He makes his final appearance in Doctor Who on Christmas Day. 11. The production runs at London's Ameida Theatre until January 25. REX USA / Alastair Muir / Rex "There is an idea of Patrick Bateman, some kind of abstraction, but there is no real me, only an entity, something illusory, and though I can hide my cold gaze and you can shake my hand and feel flesh gripping yours and maybe you can even sense our lifestyles are simply comparable, I simply am not there."American Psycho, Bret Easton Ellis.