Layer Cake ( also occasionally stylised as L4YER CAKƐ ) is a 2004 British crime thriller film directed by Matthew Vaughn , in his directorial debut . The screenplay was adapted by J.J. Connolly from his novel of the same name . The film 's plot revolves around a London - based criminal known as XXXX , played by Daniel Craig , working in the trade of cocaine who wishes to leave the drug business . The film also features Tom Hardy , Colm Meaney , and Sienna Miller .

Question: what is the main character's name in layer cake
Answer: XXXX