According to Interview, he had some trouble with his initial portrayal of Everett because, in the actor's words, "I played Everett like an idiot because he's an idiot." Everything was resolved when Joel Coen helped, with Clooney stating, "Joel [Coen] came over and went, 'Just remember you're the smartest guy in the room in every room you walk into.' [...] And I was like, 'Oh f**k, of course. You're right.'"