Dean Winters was born on July 20,1964 in New York City and raised in Long Island. He may be best-known for his role as Ryan O'Reily on the HBO prison drama Oz, and has also appeared on such television series as Rescue Me, 30 Rock, and Law & Order: Special Victims Unit, as well as the character "Mayhem" in a series of Allstate Insurance commercials. Winters co-starred with Josh Duhamel in one season of the CBS Network cop drama series Battle Creek.

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