Acting · Chicago, Illinois, USA · Born March 17, 1961
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 concentration camp, Siemaszko narrated the 1998 feature, The Polish-Americans. Siemaszko was a graduate of the Goodman School of Drama at DePaul University in Chicago, which his sister, Nina Siemaszko later also attended. His acting career consists of smaller roles in dozen of popular films, including Back to the Future, Young Guns, Silence of the Heart, Of Mice and Men, Killing Kennedy, Back to the Future Part II and Stand By Me.
TVBillions
2016
as Seids
MovieKilling Kennedy
2013
as Jack Ruby
TVThe Blacklist
2013
as Sam Raimo
TVElementary
2012
as Michael McGee
TVNYC 22
2012
as Blume
TVPerson of Interest
2011
as Lester Strickland
TVUnforgettable
2011
as Lt. Greg Sartain
TVBlue Bloods
2010
as Josh Thorp
TVWhite Collar
2009
as Bertie Slavkin
MoviePublic Enemies
2009
as Harry Berman
TVNew Amsterdam
2008
as Peter Huygens
TVDamages
2007
as Detective Dan Williams
MovieThe Boy Who Cried Bitch: The Adolescent Years
2007
TVThe Inside
2005
as Billy Ray Pope
MovieGrand Theft Auto: San Andreas - The Introduction
2004
as Johnny Sindacco (voice) (uncredited)
TVCSI: NY
2004
as Paul Sabotini
The Street Lawyer
2003
as Rafter Mayes
TVLaw & Order: Criminal Intent
2001
as Harvey Gruenwald
MovieThe Crew
2000
as Young Bobby Bartellemeo
TVLaw & Order: Special Victims Unit
1999
as EPA Official
MovieLimbo
1999
as Bobby Gastineau
TVStorm of the Century
1999
as Alton "Hatch" Hatcher
MovieChameleon II: Death Match
1999
as Jake Booker
MovieTogether and Alone
1998
as Billy
TVOz
1997
as Detective Tarnowski
MovieRose Hill
1997
as Fergus Carroll
MovieBliss
1997
as Tanner
TVChicago Sons
1997
MovieMistrial
1996
as Detective Bobby Zito
MovieThe Phantom
1996
as Morgan
MovieBlack Scorpion
1995
as Dr. Goddard / The Breath Taker
MovieNapoleon
1995
as Conan (voice)
MovieMilk Money
1994
as Cash
MovieMy Life's in Turnaround
1994
as Himself
TV704 Hauser
1994
MovieTeresa's Tattoo
1994
as Michael
MovieThe Paint Job
1993
as Cal
TVThe Adventures of Brisco County, Jr.
1993
as Ned Zed
MovieOf Mice and Men
1992
as Curley
MovieNear Mrs.
1992
as Colin Phipps
MovieThe Big Slice
1991
as Mike Sawyer
MovieThe Chase
1991
as Hutchinson
TVLaw & Order
1990
as Bart Rainey
MovieBack to the Future Part II
1989
as 3-D
MovieBreaking In
1989
as Mike Lafebb
MovieYoung Guns
1988
as Charley Bowdre
MovieBiloxi Blues
1988
as Don Carney
MovieThree O'Clock High
1987
as Jerry Mitchell
MovieGardens of Stone
1987
as Wildman
MovieAmerican Harvest
1987
as Dakota
MovieStand by Me
1986
as Billy Tessio
MovieAmazing Stories
1986
as Jonathan
MovieMiracle of the Heart: A Boys Town Story
1986
as Andy Grainger
TVAmazing Stories
1985
as Jonathan
MovieBack to the Future
1985
as 3-D
MovieSecret Admirer
1985
as Roger Despard
MovieSilence of the Heart
1984
as Jeff
MovieHard Knox
1984
as Aaron Davis
MovieClass
1983
as Doug
TVSt. Elsewhere
1982
as Rick Messina
TVThe Facts of Life
1979
TVHallmark Hall of Fame
1951
as Fergus
