Bloopers & Behind The Scenes on Instagram: "Daniel Radcliffe’s appearance on Extras gave fans one of the funniest behind-the-scenes moments of the entire series. In this episode, he plays an over-the-top, overly confident version of himself, complete with that scout-style outfit that made the whole cast crack up. The scene got so ridiculous that multiple takes were ruined because no one could keep a straight face. It’s a perfect example of how Extras turned celebrity cameos into pure comedy gold