Cinematographer Erik Wilson's impressive CV includes Paddington, The Secret Life of Walter Mitty, smaller gems like Submarine and the BAFTA-winning Tyrannosaur, music videos for the likes of Elton John and Ed Sheeran, and ads for BT, Sky, Tesco, McDonald's and more. He tells Carol Cooper about hiding from the limelight, avoiding chasms with Ben Stiller and letting the music lead the shoot.