Mental is a 2009 drama-experimental film. Produced on a low budget, it is Merlin Merton's second feature length film directing and writing debut. The film features William Hillgarth (as Jacob Grey) as well as Peter Broad, David Wall, Ben Cathcart, Angus Graham-Campbell, Kiki Bagger, Jane Rees, Marco Liviero, Amelia Bennett, Craig Lovell, and Roddy Fisher. The plot sees Jacob Grey, student at a fictional prestiguous British public school, and his gradual psychological disintegration.