Titus Welliver Titus Welliver is the actor who played Lieutenant Maxwell Burke in the episodes and . He is best known for his roles as Detective Hieronymus ' Harry ' Bosch on the Amazon Video series " Bosch " , Silas Adams on the HBO western series " Deadwood , " and the mysterious Man in Black on the ABC series " Lost " . He is also known for his supporting roles in the Ben Affleck films " Gone Baby Gone " and " The Town " . Personal life . Welliver was born in New Haven , Connecticut and raised in Philadelphia , Pennsylvania , and New York City , New York . He attended New York University while also studying acting at . Welliver was married to actress Joanna Heimbold , who also guest - starred in a " Star Trek : Voyager " two - parter , namely and . Wed in 1998 and divorced in 2004 , Welliver and Heimbold had two sons together : Eamonn , born in 1999 , and Quinn , born in 2002 . Welliver ' s second wife , independent film producer Elizabeth W . Alexander , passed away in 2012 ; their daughter , Cora , was born in 2006 . Career . Film . Welliver made his film debut as a " redneck " in a bar in 1990 ' s " Navy Seals " , which was shot by John A . Alonzo and featured Cyril O ' Reilly . He then appeared as the police officer who maces Jim Morrison in Oliver Stone ' s " The Doors " , which also featured Frank Military , Mark Moses , and Paul Williams . In the 1991 film " Mobsters " , Welliver appeared as notorious gangster Al Capone , having already played Capone ' s brother , Ralph , in a TV movie the year before ( see television ) . The star of " Mobsters " was Christian Slater , while the cast also included F . Murray Abraham , Seymour Cassel , and Willie Garson . Welliver played the main villain in the 1995 direct - to - video release " Zero Tolerance " , co - starring with Mick Fleetwood . That year , Welliver was also seen in the family adventure " Born to Be Wild " , as were Gregory Itzin , Alan Ruck , and regular John Billingsley . This film was edited by Maryann Brandon , who later co - edited . Along with Melinda Clarke , Louise Fletcher , Michael Krawic , and Ed Lauter , Welliver had a supporting role in the 1996 crime drama " Mulholland Falls " . He then co - starred with Jeff Kober in the 1997 direct - to - video drama " The Big Fall " . Welliver was cast by longtime friend in his directorial debut , the 2000 crime drama " Once in the Life " . Welliver later acted with Fishburne in 2003 ' s " Biker Boyz " ( with Wren T . Brown and Salli Elise Richardson ) and the 2005 remake of " Assault on Precinct 13 " . Both Welliver and Leland Orser had supporting role in the 2004 Paramount Pictures release " Twisted " , which starred Ashley Judd . This film was directed by Philip Kaufman , who years earlier was set to direct " " before that project was canceled . Welliver portrayed Lionel McCready in the acclaimed 2007 mystery drama " Gone Baby Gone " , which was co - written and directed by actor . Affleck later cast Welliver for his second directorial effort , the hit 2010 crime drama " The Town " , in which Welliver played Dino Ciampa . " Gone Baby Gone " also featured Mark Margolis in the cast , while " The Town " was photographed by Robert Elswit . Welliver ' s other recent film credits include " The Human Contract " ( with Joanna Cassidy ) and " Handsome Harry " ( with John Savage ) . He is currently shooting the thriller " Man on a Ledge " . Television . Episodic . As series regular . Welliver is best known for his starring role as LAPD homicide Detective Heironymus " Harry " Bosch in Amazon Original ' s series " Bosch " , based on the ongoing series of detective novels by Michael Connelly . Welliver is also well known for playing Silas Adams on the HBO western series " Deadwood " . He appeared in 16 episodes of the series between 2004 and 2006 , during which time he worked with Jim Beaver , Larry Cedar , Dennis Christopher , Gordon Clapp , Tim de Zarn , Brad Dourif , Allan Graf , Zach Grenier , Michael Harney , Alice Krige , Pasha Lychnikoff , Paula Malcomson , Tzi Ma , Timothy Olyphant , Leon Rippy , Franc Ross , Maury Sterling , and Keone Young . Prior to " Deadwood " , Welliver was a main cast member on four television series that aired on CBS . The first was the police drama " Brooklyn South " , which ran during the 1997 - 1998 season and also starred James B . Sikking . This was followed by " Falcone " in 2000 and " Big Apple " in 2001 , the latter of which co - starred Welliver ' s aforementioned " Deadwood " castmate , Pasha Lychnikoff . Welliver then starred in the comedy / drama " That ' s Life " during the show ' s second season , working with Paul Sorvino . As guest star or recurring guest star . In addition to his regular series work , Welliver ' s guest star credits include " Matlock " ( with David Froman and Tony Todd ) , " L . A . Law " ( starring Corbin Bernsen and Larry Drake , in an episode with Gates McFadden ) , " Tales from the Crypt " ( with Paul Dooley ) , " Kindred : The Embraced " ( with Jeff Kober ) , " Nash Bridges " ( with Kate Vernon ) , " The Practice " ( with Earl Billings and Jack Blessing ) , and " Touched by an Angel " ( with Casey Biggs ) . More recently , he has made guest appearances on " Numb3rs " ( with David Clennon and Leslie Silva ) , " Jericho " ( with Daniel Benzali and David Huddleston ) , " NCIS " ( with John Vickery ) , " Shark " ( starring Jeri Ryan , in an episode with Brenda Strong ) , " Monk " ( with Jude Ciccolella ) , " Supernatural " ( starring Jim Beaver ) , and " The Closer " ( with Raymond Cruz and Jonathan Del Arco ) . Welliver also had recurring roles on numerous shows . Between 1995 and 1998 , he played Dr . Mondzac in eight episodes of the ABC drama " NYPD Blue " , working with series regulars Gordon Clapp and Sharon Lawrence . Others who appeared with him on this series include Robert Curtis Brown , Jack Kehler , Aaron Lustig , Allan Miller , Glenn Morshower , Conor O ' Farrell , Leon Russom , Michael Buchman Silver , and Dell Yount . In 1996 , Welliver acted in three episodes of the crime drama " Murder One " , working alongside David Andrews , Jack Blessing , Barbara Bosson , Ron Canada , John Fleck , Spencer Garrett , Gregory Itzin , Jack Kehler , Clyde Kusatsu , Neal McDonough , Don McManus , Clayton Rohner , and Rick Worthy . Years later , he recurred in two episodes of " Kidnapped " ( the first of which featured Mädchen Amick ) and two episodes of " Prison Break " ( with Crystal Allen , Denise Crosby , Robert Knepper , and Leon Russom ) . Welliver portrayed Jacob ' s unnamed nemesis , known only as the " Man in Black , " on ABC ' s hit series " Lost " . He made his first appearance in the fifth season finale , where he is revealed as having posed as Terry O ' Quinn ' s character for several episodes . Welliver reprised the role in two episodes of season six . " Lost " was co - created by J . J . Abrams and Damon Lindelof , who later produced ' s . Recently , Welliver had recurring roles on the CBS drama " The Good Wife " and the FX drama " Sons of Anarchy " . On the former , he portrayed State ' s Attorney Glenn Childs ; on the latter , he plays Jimmy O ' Phelan and works with Jeff Kober , William Lucking , Paula Malcomson , and Ron Perlman . TV movies and miniseries . Welliver ' s early TV movie credits include " One Woman ' s Courage " ( with Casey Biggs , Geoffrey Blake , and Keith Szarabajka ) , " Blind Justice " ( with Jeff O ' Haco ) , and the role of B . F . Goodrich in the 1997 two - part movie " Rough Riders " ( with Brian Keith , Dakin Matthews , Mark Moses and James Parks ) . He then co - starred with Donna Murphy and Wil Wheaton in the 1998 telefilm " The Day Lincoln Was Shot " . He later appeared in the 2001 Marilyn Monroe miniseries " Blonde " , along with Kirstie Alley and Wallace Shawn .