As Christian Bale showed us, when someone acts unprofessional on set, it’s the duty of the star to shout at and berate said person for their unprofessionalism. So taking a cue from The Bale, it’s exactly what Michael Cera recently did on the set of the currently filming comedy YOUTH IN REVOLT. He doesn’t like a particular note left in his trailer and proceeds to flip the hell out. Check it out below.