Casey Siemaszko

Casey Siemaszko

Acting

Born March 17, 1961 · Chicago, Illinois, USA

Casey Siemaszko (born Kazimierz A. Siemaszko) is a Polish-American actor and the brother of actress Nina Siemaszko. The son of a fighter in the Polish Underground who survived the Sachsenhausen concen…

Known for

Law & Order: Special Victims Unit

Law & Order: Special Victims Unit

1999

Law & Order

Law & Order

1990

Law & Order

Law & Order

1990

The Blacklist

The Blacklist

2013

Blue Bloods

Blue Bloods

2010

Person of Interest

Person of Interest

2011

Law & Order: Criminal Intent

Law & Order: Criminal Intent

2001

Elementary

Elementary

2012

Acting(62)

2016BillionsSeids

2013Killing KennedyJack Ruby

2013The BlacklistSam Raimo

2012ElementaryMichael McGee

2012NYC 22Blume

2011Person of InterestLester Strickland

2011UnforgettableLt. Greg Sartain

2010Blue BloodsJosh Thorp

2009White CollarBertie Slavkin

2009Public EnemiesHarry Berman

2008New AmsterdamPeter Huygens

2007DamagesDetective Dan Williams

2007The Boy Who Cried Bitch: The Adolescent Years

2005The InsideBilly Ray Pope

2004Grand Theft Auto: San Andreas - The IntroductionJohnny Sindacco (voice) (uncredited)

2004CSI: NYPaul Sabotini

2003The Street LawyerRafter Mayes

2001Law & Order: Criminal IntentHarvey Gruenwald

2000The CrewYoung Bobby Bartellemeo

1999Law & Order: Special Victims UnitEPA Official

1999LimboBobby Gastineau

1999Storm of the CenturyAlton "Hatch" Hatcher

1999Chameleon II: Death MatchJake Booker

1998Together and AloneBilly

1997OzDetective Tarnowski

1997Rose HillFergus Carroll

1997BlissTanner

1997Chicago Sons

1996MistrialDetective Bobby Zito

1996The PhantomMorgan

1995Black ScorpionDr. Goddard / The Breath Taker

1995NapoleonConan (voice)

1994Milk MoneyCash

1994My Life's in TurnaroundHimself

1994Teresa's TattooMichael

1993The Paint JobCal

1993The Adventures of Brisco County, Jr.Ned Zed

1992Of Mice and MenCurley

1992Near Mrs.Colin Phipps

1991The Big SliceMike Sawyer

1991The ChaseHutchinson

1990Law & OrderBart Rainey

1989Back to the Future Part II3-D

1989Breaking InMike Lafebb

1988Young GunsCharley Bowdre

1988Biloxi BluesDon Carney

1987Three O'Clock HighJerry Mitchell

1987Gardens of StoneWildman

1987American HarvestDakota

1986Stand by MeBilly Tessio

1986Amazing StoriesJonathan

1986Miracle of the Heart: A Boys Town StoryAndy Grainger

1985Amazing StoriesJonathan

1985Back to the Future3-D

1985Secret AdmirerRoger Despard

1984Silence of the HeartJeff

1984Hard KnoxAaron Davis

1982St. ElsewhereRick Messina

1979The Facts of Life

1951Hallmark Hall of FameFergus

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