Casey Siemaszko
Acting • AGE 65
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...
Acting
Billions
Seids
2016
Killing Kennedy
Jack Ruby
2013
The Blacklist
Sam Raimo
2013
Elementary
Michael McGee
2012
NYC 22
Blume
2012
Person of Interest
Lester Strickland
2011
Unforgettable
Lt. Greg Sartain
2011
Blue Bloods
Josh Thorp
2010
White Collar
Bertie Slavkin
2009
Public Enemies
Harry Berman
2009
New Amsterdam
Peter Huygens
2008
Damages
Detective Dan Williams
2007
The Boy Who Cried Bitch: The Adolescent Years
2007
The Inside
Billy Ray Pope
2005
Grand Theft Auto: San Andreas - The Introduction
Johnny Sindacco (voice) (uncredited)
2004
CSI: NY
Paul Sabotini
2004
Law & Order: Criminal Intent
Harvey Gruenwald
2001
The Crew
Young Bobby Bartellemeo
2000
Law & Order: Special Victims Unit
EPA Official
1999
Limbo
Bobby Gastineau
1999
Storm of the Century
Alton "Hatch" Hatcher
1999
Chameleon II: Death Match
Jake Booker
1999
Together and Alone
Billy
1998
Oz
Detective Tarnowski
1997
Rose Hill
Fergus Carroll
1997
Bliss
Tanner
1997
Chicago Sons
1997
Mistrial
Detective Bobby Zito
1996
The Phantom
Morgan
1996
Black Scorpion
Dr. Goddard / The Breath Taker
1995
Napoleon
Conan (voice)
1995
Milk Money
Cash
1994
My Life's in Turnaround
Himself
1994
704 Hauser
1994
Teresa's Tattoo
Michael
1994
The Paint Job
Cal
1993
The Adventures of Brisco County, Jr.
Ned Zed
1993
Of Mice and Men
Curley
1992
Near Mrs.
Colin Phipps
1992
The Big Slice
Mike Sawyer
1991
The Chase
Hutchinson
1991
Law & Order
Bart Rainey
1990
Back to the Future Part II
3-D
1989
Breaking In
Mike Lafebb
1989
Young Guns
Charley Bowdre
1988
Biloxi Blues
Don Carney
1988
Three O'Clock High
Jerry Mitchell
1987
Gardens of Stone
Wildman
1987
American Harvest
Dakota
1987
Stand by Me
Billy Tessio
1986
Amazing Stories
Jonathan
1986
Miracle of the Heart: A Boys Town Story
Andy Grainger
1986
Amazing Stories
Jonathan
1985
Back to the Future
3-D
1985
Secret Admirer
Roger Despard
1985
Silence of the Heart
Jeff
1984
Hard Knox
Aaron Davis
1984
Class
Doug
1983
St. Elsewhere
Rick Messina
1982
The Facts of Life
1979
Hallmark Hall of Fame
Fergus
1951