All Stars follows a group of young misfits led by shy Jaden (Akai Osei-Mansfield) and loudmouth Ethan (Theo Stevenson) who are trying to raise money to save their youth club from financial cutbacks. Their plan? To stage an ambitious dance show, but for this they need performers. And most of their friends can't dance!
John plays the supporting role of Matthew. All Stars also features Ashley Jensen (Extras, Ugly Betty), Kimberley Walsh (Girls Aloud) and Hugh Dennis (Outnumbered).
John appears very briefly in the movie's first trailer: