Dean Winters

Acting

Dean Winters (born July 20, 1964) is an American actor, who is known for his roles as Bobby on the YouTube series Wayne, Detective Brian Cassidy on Law & Order: SVU, Detective Russ Agnew on Battle Creek, 'The Vulture' Detective Pembroke on Brooklyn Nine-Nine, Charley Dixon on FOX's Terminator: The Sarah Connor Chronicles, Dennis Duffy on NBC's 30 Rock, Johnny Gavin on FX's Rescue Me, Ryan O'Reily on HBO's Oz. He also portrays "Mayhem" in Allstate commercials.

Known for:

Law & Order: Special Victims Unit American Dad! Last Week Tonight with John Oliver CSI: Miami Brooklyn Nine-Nine Saturday Night Live Sex and the City Law & Order: Criminal Intent 30 Rock Third Watch NYPD Blue Oz