As long as you do the best work that you can and not make it bland... because you're going down a lane that is trying to make everybody happy. You have to take an angle on these things.

In February 2012 Butler's publicist announced that Butler had completed a course of treatment for substance abuse of pain killers at a rehab-centre. Despite the film receiving mixed reviews Butler was praised for his performance. It’s the work and not the adulation that has proved to be the most fulfilling.

In 2007 Butler gained recognition through his portrayal of King Leonidas in the film 300. S. He also appeared as a voice actor in How to Train Your Dragon (2010).