"We made a mistake early on. We went to Daniel Radcliffe a year-and-a-half before we were ready with a paltry role that wasn't thought out well enough. We kind of got over-eager with that one. We regrouped, wrote an actual movie that was good... He rejected us." Producer Evan Goldberg reveals the Harry Potter actor snubbed a part in new all-star apocalyptic comedy This Is The End.