In a four-part series, Downton Abbey writer/creator Julian Fellowes speaks to some of the stars to promote the latest film, Downton Abbey: A New Era.
Episode #1: Hugh Bonneville and the origins of the Downton Abbey series
Episode #2: Leslie Nicol on portraying real historical events
Episode #3: Allen Leech, the glitz and glamour of a bygone era
Episode #4: Julian Fellowes answers fan questions, plus a clip