Casey Siemaszko
Acting
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.
Known for
Acting62
tvBillions
2016
Seids
movieKilling Kennedy
2013
Jack Ruby
tvThe Blacklist
2013
Sam Raimo
tvElementary
2012
Michael McGee
tvNYC 22
2012
Blume
tvPerson of Interest
2011
Lester Strickland
tvUnforgettable
2011
Lt. Greg Sartain
tvBlue Bloods
2010
Josh Thorp
tvWhite Collar
2009
Bertie Slavkin
moviePublic Enemies
2009
Harry Berman
tvNew Amsterdam
2008
Peter Huygens
tvDamages
2007
Detective Dan Williams
tvThe Inside
2005
Billy Ray Pope
movieGrand Theft Auto: San Andreas - The Introduction
2004
Johnny Sindacco (voice) (uncredited)
tvCSI: NY
2004
Paul Sabotini
The Street Lawyer
2003
Rafter Mayes
tvLaw & Order: Criminal Intent
2001
Harvey Gruenwald
movieThe Crew
2000
Young Bobby Bartellemeo
tvLaw & Order: Special Victims Unit
1999
EPA Official
movieLimbo
1999
Bobby Gastineau
tvStorm of the Century
1999
Alton "Hatch" Hatcher
movieChameleon II: Death Match
1999
Jake Booker
tvOz
1997
Detective Tarnowski
movieRose Hill
1997
Fergus Carroll
movieBliss
1997
Tanner
movieMistrial
1996
Detective Bobby Zito
movieThe Phantom
1996
Morgan
movieBlack Scorpion
1995
Dr. Goddard / The Breath Taker
movieNapoleon
1995
Conan (voice)
movieTeresa's Tattoo
1994
Michael
movieOf Mice and Men
1992
Curley
movieNear Mrs.
1992
Colin Phipps
movieThe Big Slice
1991
Mike Sawyer
movieThe Chase
1991
Hutchinson
tvLaw & Order
1990
Bart Rainey / Defense Attorney Shuman
movieBreaking In
1989
Mike Lafebb
movieYoung Guns
1988
Charley Bowdre
movieBiloxi Blues
1988
Don Carney
movieThree O'Clock High
1987
Jerry Mitchell
movieGardens of Stone
1987
Wildman
movieStand by Me
1986
Billy Tessio
movieAmazing Stories
1986
Jonathan
movieMiracle of the Heart: A Boys Town Story
1986
Andy Grainger
tvAmazing Stories
1985
Jonathan
movieSecret Admirer
1985
Roger Despard
movieHard Knox
1984
Aaron Davis
movieClass
1983
Doug
tvSt. Elsewhere
1982
Rick Messina
