In a statement on Monday night, the actor said they are in treatment for mental health issues after months of erratic behavior.
Miller said that he is suffering complex mental health issues and has begun treatment. I would like to apologize to everyone that I have offended in the past. I want to return to a safe and productive stage in my life.
Variety reported that Miller apologized after a number of complaints about their behavior this year.
Miller was accused of yelling obscenities at bar patrons singing karaoke, grabbing a microphone from a woman, and lunging at a man playing darts. They were arrested in Hawaii for second-degree assault after throwing a chair at a woman who was asked to leave.
Miller was accused of stealing booze from a home in Vermont. They were arrested and charged with felonies.
Miller has been arrested in the US before, including in Germany and Iceland.
Warner Bros. announced that it is going to release a movie starring Miller in the summer of next year.