The Calcium Kid is a British mockumentary comedy film which was released in 2004. It stars Orlando Bloom as a milkman and amateur boxer. Billie Piper and Michael Peña are also featured. It is directed by Alex De Rakoff and produced by Working Title Films. The milkman-turned-prizefighter concept had been previously used in both Harold Lloyd's The Milky Way and its remake, Danny Kaye´s vehicle, The Kid from Brooklyn.