Here's what I imagine it's like being Robert Pattinson's agent: An auteur calls you, says "I want your client to —" and then you stop them immediately and scream, "Yes, he'll do it," and then they say, "Are you sure? It's pretty weird," and then you stop them again and scream, "Just send us the call sheet already!" Born in London in 1986, the actor first made a global-scale splash as the tragically-fated Cedric Diggory in Harry Potter and the Goblet of Fire, before utterly dominating the cultural conversation in the Twilight franchise as …