This week's new films

The Imposter (15) (Bart Layton, 2012, UK) Frédéric Bourdin, Charlie Parker, Carey Gibson. 99 mins. Documentaries don't come much stranger than this. The film begins with the discovery in Spain in 1997 of a 16-year-old boy. Could this really be Nicholas Barclay, who went missing aged 13 from his home in San Antonio, Texas? Well, no.

Nicholas's family welcomed this "boy" into their home without