
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.
Billions
2016
Killing Kennedy
2013
The Blacklist
2013
Elementary
2012
NYC 22
2012
Unforgettable
2011
Blue Bloods
2010
White Collar
2009
Public Enemies
2009
New Amsterdam
2008
Damages
2007
The Inside
2005
CSI: NY
2004
The Crew
2000
Limbo
1999
Oz
1997
Rose Hill
1997
Bliss
1997
Chicago Sons
1997
Mistrial
1996
The Phantom
1996
Black Scorpion
1995
Napoleon
1995
Milk Money
1994
704 Hauser
1994
Teresa's Tattoo
1994
The Paint Job
1993
Of Mice and Men
1992
Near Mrs.
1992
The Big Slice
1991
The Chase
1991
Law & Order
1990
Breaking In
1989
Young Guns
1988
Biloxi Blues
1988
Gardens of Stone
1987
American Harvest
1987
Stand by Me
1986
Amazing Stories
1986
Amazing Stories
1985
Secret Admirer
1985
Hard Knox
1984
Class
1983
St. Elsewhere
1982




























































