Rotten to the Core is a 1965 black and white British comedy film directed by John Boulting starring Anton Rodgers, Charlotte Rampling, Eric Sykes and Ian Bannen. It was co-written and produced by his Boulting and his brother Roy Boulting. The film received a BAFTA nomination for Alex Vetchinsky's production design. It was Charlotte Rampling's first credited role. The principal comedy sections are supplied by Eric Sykes in various guises as an undercover policeman. ()