What is it about Robson Green that makes him so compelling? Is it his piercing blue eyes, or the sense that, no matter how inscrutable his expression, there's so much more going on inside his head that we're not privy to? Green is in no way what one might consider a Hollywood-type leading man--he appears small, his hairline is receding, and he's not conventionally handsome--but the man commands the screen like nobody's business.