Silas Weir Mitchell ( actor ) - wikipedia Silas Weir Mitchell ( actor ) Silas Weir Mitchell Mitchell at San Diego Comic - Con, 2012 Silas Weir Mitchell Neilson ( 1969 - 09 - 30 ) September 30, 1969 ( age 48 ) Philadelphia, Pennsylvania, United States Education Brown, UC San Diego Occupation Actor Years active 1995 -- present Silas Weir Mitchell ( born Silas Weir Mitchell Neilson ; September 30, 1969 ) is an American character actor from Philadelphia, Pennsylvania, United States. Silas Wier Mitchell is known for starring as Charles `` Haywire '' Patoshik in the Fox television series Prison Break ( 2005 -- 2007 ), and Monroe in the NBC television series Grimm ( 2011 -- 2017 ). Contents 1 Early life and education 2 Career 3 Filmography 4 References 5 External links Early life and education Mitchell was born and raised in Philadelphia, Pennsylvania. He is named after an ancestor, the 19th century physician and author Silas Weir Mitchell. He attended The Montgomery Country Day School, formerly in Gladwyne PA for his elementary school years ; is a graduate of St. Paul 's School, a college - preparatory boarding school in Concord, New Hampshire, ( 1987 ) ; Brown University ( 1991 ) in Rhode Island, where he majored in Theatre and Religion ; and the University of California San Diego, Master of Fine Arts program ( 1995 ). After graduating from Brown, he spent some time in New York City, acting in minor theatre productions. Career Silas Weir Mitchell at San Diego Comic - Con International ( 2011 ) This section of a biography of a living person does not include any references or sources. Please help by adding reliable sources. Contentious material about living people that is unsourced or poorly sourced must be removed immediately. Find sources : `` Silas Weir Mitchell '' actor -- news newspapers books scholar JSTOR ( May 2014 ) Mitchell has had recurring guest roles in such television series as 24 as Eli Stram ; Numb3rs ; My Name Is Earl as Earl 's ex-con friend Donny Jones ; and Prison Break as escapee Charles `` Haywire '' Patoshik. On the DVD commentary for Prison Break, he mentions he had previously auditioned for the roles of Theodore `` T - Bag '' Bagwell and Lincoln Burrows. Mitchell plays the role of an insane prison inmate in both Prison Break and My Name Is Earl. He also appears in Rat Race ( 2001 ) as Lloyd ( The Hardware Store Guy ), and in The Whole Ten Yards as Yermo. One of his most notable roles is that of mentally unstable recurring character James Hogan on Cold Case. Mitchell also made appearances on CSI : Miami, CSI : NY, Law & Order : SVU, Burn Notice as charming but unstable arms dealer Seymour, Dexter, Monk, Six Feet Under, X-Files, The Closer, and Boomtown. He also appeared on the show CSI in the Season 6 episode `` Room Service ''. In 2008, Silas made an appearance in seventh and final season of the U.S. cop show The Shield. In 2009, he appeared in A Fork in the Road, alongside Jaime King, and in Halloween 2. Mitchell also appeared in Fox 's TV show, Mental with Chris Vance, also from Prison Break. In October 2011, Mitchell was cast as Monroe in the NBC TV series Grimm. Filmography Filmography Year Title Role Notes 1995 Silk Stalkings Peter Raymond Wicker `` The Lonely Hunter '' The Marshal Willy `` The New Marshal '' Playing Dangerous 2 Gregor Tarnopol The Big Easy Lyle Tillman `` Big Life '' Private Parts Patient Caroline in the City Louis `` Caroline and the New Neighbour '' Quicksilver Highway Bryan Adams TV movie Dark Skies Convict `` Strangers in the Night '' Sins of the Mind Anderson TV movie Julian Po Stonewall 1997, 1998 ER Luis / Marcus Hainey `` Ambush '' & `` Stuck on You '' 1997, 2000 NYPD Blue Tony / Luke `` Remembrance of Humps Past '' & `` Everybody Plays the Mule '' 1998 C - 16 : FBI `` The Art of War '' 1998 The Patriot Pogue 1998 Route 9 Agent Paul Danning TV movie 1998 Vengeance Unlimited Capt. Jesse Fisher `` Dishonorable Discharge '' 1999 Bingo Harry Short 1999 The X-Files Dougie `` Agua Mala '' 1999 Inferno Jesse Hogan 1999 Absence of the Good Jack Gaskin TV movie 1999 The Pretender Luke Carlo `` Risque Business '' 2000 Other Voices Weeping Man 2000 The Practice Anthony Brickman `` New Evidence '' & `` Hammerhead Sharks '' 2000 Nash Bridges Roy McNair `` Jackpot : Part 1 '' and `` Jackpot : Part 2 '' Rat Race Lloyd 2002 The Agency `` The Golden Hour '' 2002 24 Eli Stram 5 episodes 2002 Ant Bertrand Short 2002 Johnson County War Mitch Slaughter TV movie 2002 Push, Nevada Ruhk `` The Black Box '' 2002 Ethan and Alan Ethan Short 2002 Birds of Prey Syrus Waters ( Slick ) `` Slick '' 2002 Boomtown Erik Sorenson `` Coyote '' 2003 Six Feet Under Dion Corelli `` The Trap '' 2003 A Painted House Jimmy Dale TV movie 2003, 2005 Cold Case James Hogan `` Sherry Darlin ' '' & `` Kensington '' CSI : Miami Ralph Durst `` Stalkerazzi '' The Whole Ten Yards Yermo Crossing Jordan Frank Jones / Alastair Dark `` Revealed '' Life on Liberty Street Derek TV movie 2005 Heart of the Beholder Lester 2005 Medium Deranged Husband `` A Couple of Choices '' 2005 JAG Reese Pardee `` Two Towns '' 2005 CSI : NY David Scott `` Crime and Misdemeanor '' 2005 Detective Robbins TV movie 2005 Fathers and Sons Max ( uncredited ) TV movie 2005 Strong Medicine Wade `` Paternity Test '' 2005 McBride : Anybody Here Murder Marty ? Joseph Devine TV movie 2005 CSI : Crime Scene Investigation Willie Angel `` Room Service '' 2005 -- 2007 Prison Break Charles `` Haywire '' Patoshik 13 episodes 2005 -- 2008 My Name Is Earl Donny Jones 6 episodes 2006 The PTA `` Ca n't Do '' 2006 Monk Drugstore Manager `` Mr. Monk and the Garbage Strike '' 2006 Flags of Our Fathers Lab Tech 2006 The Phobic Vladimir Narcijac 2006 Without a Trace Luke Seaver `` The Things with Feathers '' 2007 Lesser of Three Evils Motel Manager Also known as Fist of the Warrior 2007 The Gray Man Albert Fish, Jr. 2007 Dexter Ken Olson `` Dex, Lies, and Videotape '' 2007 Crazy Neal 2008 1 % Wild Man Sam TV movie 2008 Prairie Fever Frank Video 2008 The Closer Father Chris Donahue `` Tijuana Brass '' 2008 The Shield Father Morton `` Parricide '' 2008 Burn Notice Seymour `` Rough Seas '' & `` Seek and Destroy '' 2009 Waiting for Jevetta Short 2009 Law & Order : Special Victims Unit Owen Walters `` Liberties '' 2009 Mental Vincent Martin `` Pilot '' 2009 Halloween 2 Chett Johns 2009 Otis E. Stanley 2009 Numb3rs Darren Drew `` Dreamland '' Ticket Out Levi A Fork in the Road Karl Rogers The Killed Short Heaven 's Rain Ake Circle Bennett Sami 's Cock Short The Good Guys Vic `` Little Things '' 2011 The Mentalist Arthur Coffey / Ralph Mercer `` Bloodhounds '' 2011 -- 2017 Grimm Monroe Main cast References ^ Jump up to : `` Silas Neilson ' 87 ''. St. Paul 's School ( Concord, New Hampshire ). March 12, 2012. Retrieved April 23, 2012. Silas Weir Mitchell ( Neilson ) ^ Jump up to : `` Theatre Arts and Performance Studies : Alumni List ''. Brown University. Retrieved April 23, 2012. Neilson, Silas Weir Mitchell Jump up ^ Neilson, Silas Weir Mitchell ( 1995 ). What We Make is Not Ours. University of California, San Diego. p. 14. Retrieved April 23, 2012. ^ Jump up to : Turnquist, Kristi ( March 3, 2012 ). `` Weir Mitchell on playing Monroe on ' Grimm ', and filming in Portland ''. The Oregonian. Retrieved April 23, 2012. ^ Jump up to : Gray, Ellen ( March 23, 2012 ). `` ' Grimm ' star Silas Weir Mitchell revels in ' otherness ' ''. The Philadelphia Inquirer. Retrieved April 23, 2012. Jump up ^ `` UC San Diego Theatre & Dance Newsletter '' ( PDF ). April 4, 2011. Retrieved April 23, 2012. MFA ' 95 Alum Silas Weir Mitchell External links Silas Weir Mitchell on IMDb VIAF : 68643923 LCCN : no2004066226 ISNI : 0000 0004 4887 8840 GND : 143093738 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Silas_Weir_Mitchell_(actor)&oldid=830235100 '' Categories : 1969 births Living people 20th - century American male actors 21st - century American male actors American male film actors American male television actors Brown University alumni Male actors from Philadelphia University of California, San Diego alumni Hidden categories : Use mdy dates from January 2017 Articles with hCards BLP articles lacking sources from May 2014 All BLP articles lacking sources Wikipedia articles with VIAF identifiers Wikipedia articles with LCCN identifiers Wikipedia articles with ISNI identifiers Wikipedia articles with GND identifiers Talk Contents About Wikipedia تۆرکجه Dansk Deutsch Español فارسی Français 한국어 Italiano עברית Nederlands 日本 語 Norsk Polski Português Română Русский Српски / srpski Srpskohrvatski / српскохрватски Türkçe Українська 中文 12 more Edit links This page was last edited on 13 March 2018, at 16 : 10. 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Question: who played the crazy guy in prison break
Answer: Silas Weir Mitchell