Who is the actor that plays the character Mayhem in the Allstate insurance commercials? I feel sure that he used to be in a TV series as a police detective.
—Janet Bill, Uniontown, Pa.
That’s Dean Winters, 46, who starred in the TV series Oz as Ryan O’Reily, played Johnny Gavin on Rescue Me, and now portrays Tina Fey’s “Beeper King” boyfriend Dennis Duffy on 30 Rock. He played Detective Brian Cassidy for a season on Law & Order: SVU and had recurring roles on Homicide: Life on the Street, Terminator: The Sarah Connor Chronicles and Life on Mars.