Empire of Light Reviewed by GREG KING Director: Sam Mendes Stars: Olivia Colman, Micheal Ward, Toby Jones, Colin Firth, Tanya Moodie, Tom Brooke, Hannah Oslow. The latest film from Oscar winning director Sam Mendes (Skyfall, 1917, etc) is something of a love letter to the cinema and the effect of films on our lives. But it is something of a tepid love letter when compared to films like the glorious Cinema …