Casey Siemaszko
Known for: 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.
Filmography
Series
Law & Order: Special Victims Unit
EPA Official
1999
Series
Law & Order
Bart Rainey
1990
Series
Law & Order
Defense Attorney Shuman
1990
Series
The Blacklist
Sam Raimo
2013
Series
Blue Bloods
Josh Thorp
2010
Series
Person of Interest
Lester Strickland
2011
Series
Law & Order: Criminal Intent
Harvey Gruenwald
2001
Series
Elementary
Michael McGee
2012
Series
CSI: NY
Paul Sabotini
2004
Series
Billions
Seids
2016
Series
White Collar
Bertie Slavkin
2009
Film
Back to the Future
3-D
1985
Series
Damages
Detective Dan Williams
2007
Series
Oz
Detective Tarnowski
1997
Series
Unforgettable
Lt. Greg Sartain
2011
Series
The Facts of Life
1979
Series
St. Elsewhere
Rick Messina
1982
Series
Amazing Stories
Jonathan
1985
Film
Stand by Me
Billy Tessio
1986
Film
Back to the Future Part II
3-D
1989
Series
The Adventures of Brisco County, Jr.
Ned Zed
1993
Film
Public Enemies
Harry Berman
2009
Series
Storm of the Century
Alton "Hatch" Hatcher
1999
Film
Young Guns
Charley Bowdre
1988
Series
New Amsterdam
Peter Huygens
2008
Film
Of Mice and Men
Curley
1992
Series
The Inside
Billy Ray Pope
2005
Film
The Phantom
Morgan
1996
Series
NYC 22
Blume
2012
Film
Milk Money
Cash
1994
Film
Biloxi Blues
Don Carney
1988
Film
Gardens of Stone
Wildman
1987
Series
Chicago Sons
1997
Film
Secret Admirer
Roger Despard
1985
Film
Class
Doug
1983
Film
Napoleon
Conan (voice)
1995
Film
Three O'Clock High
Jerry Mitchell
1987
Film
Mistrial
Detective Bobby Zito
1996
Film
Killing Kennedy
Jack Ruby
2013
Film
Bliss
Tanner
1997
Film
The Crew
Young Bobby Bartellemeo
2000
Film
Limbo
Bobby Gastineau
1999
Series
Hallmark Hall of Fame
Fergus
1951
Series
704 Hauser
1994
Film
Amazing Stories
Jonathan
1986
Film
Black Scorpion
Dr. Goddard / The Breath Taker
1995
Film
American Harvest
Dakota
1987
Film
Breaking In
Mike Lafebb
1989
Film
Teresa's Tattoo
Michael
1994
The Street Lawyer
Rafter Mayes
2003
Film
The Big Slice
Mike Sawyer
1991
Film
The Chase
Hutchinson
1991
Film
Grand Theft Auto: San Andreas - The Introduction
Johnny Sindacco (voice) (uncredited)
2004
Film
Rose Hill
Fergus Carroll
1997
Film
Miracle of the Heart: A Boys Town Story
Andy Grainger
1986
Film
Silence of the Heart
Jeff
1984
Film
Together and Alone
Billy
1998
Film
The Paint Job
Cal
1993
Film
Chameleon II: Death Match
Jake Booker
1999
Film
Hard Knox
Aaron Davis
1984
Film
My Life's in Turnaround
Himself
1994
Film
The Boy Who Cried Bitch: The Adolescent Years
2007
Film
Near Mrs.
Colin Phipps
1992