About
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
Law & OrderSeries • 1990
Law & Order: Special Victims UnitSeries • 1999
The BlacklistSeries • 2013
Blue BloodsSeries • 2010
Law & Order: Criminal IntentSeries • 2001
Person of InterestSeries • 2011
ElementarySeries • 2012
CSI: NYSeries • 2004
BillionsSeries • 2016
White CollarSeries • 2009
UnforgettableSeries • 2011
St. ElsewhereSeries • 1982
OzSeries • 1997
DamagesSeries • 2007
Back to the FutureMovie • 1985
The Facts of LifeSeries • 1979
Amazing StoriesSeries • 1985
Back to the Future Part IIMovie • 1989
The Adventures of Brisco County, Jr.Series • 1993
Stand by MeMovie • 1986
Public EnemiesMovie • 2009
Storm of the CenturySeries • 1999
New AmsterdamSeries • 2008
Young GunsMovie • 1988