Dean Gerard Winters (born July 20, 1964) is an American actor. He is known for his role as Ryan O'Reily on the HBO prison drama Oz and his roles in the TV series Millennium, Rescue Me, 30 Rock, …

He can also be seen as the Allstate spokesmodel character known as Mayhem. Winters also played Detective Brian Cassidy on NBC's Law & Order: Special Victims Unit (1999).

Sep 16, 2025 · Actor Dean Winters has carved out a big space for himself on the small screen. You may know the veteran actor thanks to his work on prestige HBO series like "Oz," in the supporting cast of …

Mar 10, 2024 · "Oz" and "Law & Order: SVU" star, Dean Winters has appeared in a slew of hilarious Allstate Insurance commercials since 2010. If you didn't know, Winters played a chaotic character …

Sep 3, 2025 · Dean is also known as the character named Mayhem in the Allstate Insurance Commercials, so far featuring in more than 110 ads, which has also helped his career.

Aug 16, 2025 · This is a series of ads the insurance company has run for well over a decade at this point where the embodiment of mayhem, played by Dean Winters, causes destruction.

Dec 9, 2024 · Dean Winters is best known for his work in multiple "Mayhem" commercials for Allstate, and in a 2023 spot Mayhem engages in an intense, property-destroying game of driveway basketball …

Dean Winters is not just a commercial actor. He’s an accomplished performer with an extensive résumé that spans television, film, and stage. Yet it’s his iconic role as Mayhem that has given him perhaps …

May 6, 2025 · The Mayhem Guy from Allstate commercials has made us laugh while warning us about insurance needs since 2010. But behind that disheveled suit and mischievous grin is actor Dean …

Aug 20, 2025 · If you’ve tuned into television, you’re likely acquainted with the Allstate Mayhem commercials. These ads have run for over ten years, featuring Dean Winters as the personification of …