Dean Winters
Jul 20, 1964 (60 years old) in New York City, New York, USA
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)

Law & Order: Criminal Intent
Mike Stoat

CSI: Miami
Raymond Caine

Brooklyn Nine-Nine
Keith 'The Vulture' Pembroke

Sex and the City
John McFadden

Homicide: Life on the Street
Tom Marans

NYPD Blue
Larry

Third Watch
Bill Stram

30 Rock
Dennis Duffy
Credits
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Street Justice FuturePatrick Hannigan★ NR
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Highest 2 Lowest 2025★ NR
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I Am Luke Perry 2025Self★ 8
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Captain Storm (voice)★ 7.3
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Zo 2024Ryan O'Reily★ 8
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Self★ NR
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Monsieur Spade 2024Father Morgan★ 6.3
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The Out-Laws 2023Vince Millen★ 6
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So Help Me Todd 2022Dick Frank★ 7.4
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Joe vs Carole 2022Jeff Lowe★ 4.1
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Brian Walters★ 5
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Capt. Storm (voice)★ 5.6
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Girls5eva 2021Nick★ 6
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Palmer 2021Jerry★ 8.1
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Lost Girls 2020Dean Bostick★ 6.1
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City on a Hill 2019Ralph Hook★ 7.3
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John Valestra★ 6.1
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Wayne 2019Bobby★ 8.3
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A Civilized Life 2018Conway★ NR
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After Everything 2018Blake★ 6.7
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Father of the Year 2018Geoff★ 5.4
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Rough Night 2017Detective Frazier★ 5.7
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American Gods 2017Mr. Town★ 7.1
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Andrew (voice)★ 7.2
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Berlin Station 2016Birdman★ 7.2
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Divorce 2016Tony Silvercreek★ 6.5
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Bartender★ 6
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Bunny (voice)★ 7.1
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Battle Creek 2015Detective Russ Agnew★ 6.9
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Self★ 7.6
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John Wick 2014Avi★ 7.4
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Don Peyote 2014Gun Dealer★ 3.8
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Brooklyn Nine-Nine 2013Keith 'The Vulture' Pembroke★ 8.2
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The Devil You Know 2013Jake Kelly★ 4.5
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The Worst 2012Nick★ NR
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Up All Night 2011Casey Brinkley★ 6
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Splinterheads 2009Reggie★ 6
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Today's Special 2009Steve★ 6.2
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Ken Curtis★ 4.6
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Life on Mars 2008Vic Tyler★ 6.5
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Charley Dixon★ 7.5
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P.S. I Love You 2007Tom★ 7.2
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30 Rock 2006Dennis Duffy★ 7.4
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Brooklyn Bound 2005Danny★ 3
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American Dad! 2005(voice)★ 7
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Bristol Boys 2005Randy★ 5.5
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Love Rome 2004Dean★ NR
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Rescue Me 2004Johnny Gavin★ 7.7
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Strip Search 2004Ned McGrath★ 6.2
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Trevor Gooden★ 5
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CSI: Miami 2002Raymond Caine★ 7.7
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The Twilight Zone 2002Gordon★ 7.2
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Bullet In The Brain 2001Bank Robber★ 5.8
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Mike Stoat★ 7.6
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Snipes 2001Bobby Starr★ 6.7
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Starwater 2001★ NR
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Deadline 2000Des Lonegan★ NR
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Third Watch 1999Bill Stram★ 7.9
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Brian Cassidy★ 7.9
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Undercover Angel 1999Harrison Tyler★ 7
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Sex and the City 1998John McFadden★ 7.4
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Lifebreath 1997Chrystie's Lover★ 6.7
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Conspiracy Theory 1997Cleet★ 6.6
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Oz 1997Ryan O'Reily★ 8
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FireHouse 1997Nick Wilkinson★ 3.3
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Millennium 1996Mr. Crocell★ 7.7
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New York Undercover 1994Paul Delaney★ 7.1
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NYPD Blue 1993Larry★ 7
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Tom Marans★ 8.1