Colin Firth on his new film Gambit, and why he never expected to play posh people.
The man behind Festen, Danish director Thomas Vinterberg, discusses his timely drama The Hunt, about a nursery teacher accused of wrongdoing.
Cinema owner Kevin Markwick tracks the origins of advertising on the big screen, unearthing ads from as far back as the 1890s.
And critic Peter Bradshaw on the power of The Passion of Joan of Arc, Carl Theodor Dreyer's classic from 1928.
Producer: Craig Smith.