On Graham's sofa tonight: Hollywood star Glen Powell in dystopian action thriller The Running Man, Oscar winner Michelle Yeoh, playing Madame Morrible in Wicked: For Good, Emmy-winning Brit Rosamund Pike, in crime caper sequel Now You See Me: Now You Don't, top comic Jack Whitehall, starring in tense thriller series Malice and music superstar Ed Sheeran, chatting and performing Camera from his album Play.