Dean Winters
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
Brian Cassidy
American Dad!
(voice)
CSI: Miami
Raymond Caine
Saturday Night Live
Ryan O'Reily (uncredited)
Law & Order: Criminal Intent
Mike Stoat
Last Week Tonight with John Oliver
Brett
Brooklyn Nine-Nine
Keith 'The Vulture' Pembroke
30 Rock
Dennis Duffy
Sex and the City
John McFadden
NYPD Blue
Larry
Third Watch
Bill Stram