With Antonia Quirke

Actor and producer David Oyelowo reveals how he made his directorial debut, The Water Man, almost by accident. And why, thanks to raw data, streaming has lead to greater diversity of content and changed the minds of white film executives.

Gosford Park turns 20 this year. Robert Altman's whodunnit was like a who's who of British acting talent - Maggie Smith, Alan Bates, Michael Gambon, Kristin Scott-Thomas, Eileen Atkins, Derek Jacobi and Tom Hollander. The Rev star takes us behind the scenes of this modern classic, which had its own whodunnit.