Macbeth, Robbie Ryan, Greensman, Shooting Stars in 1928

With Francine Stock.Director Justin Kurzel tells Francine why he believes that Macbeth is suffering from post-traumatic stress disorder.Greensman is not the latest super-hero but the name of the person who dresses a set with trees and shrubbery to make the indoors look like the outdoors. Richard Payne of Living Props reveals a few trade secrets.Cinematographer Robbie Ryan explains why the selfie is making better actors of us all.Matthew Sweet and Bryony Dixon of the BFI take us behind the scenes of a British film studio in 1928, just as new sound technology was about to change everything.