1961Born, Chicago
61Credits
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
Back to the Future3-D
Back to the Future Part II3-D
Stand by MeBilly Tessio
Public EnemiesHarry Berman
Law & Order: Special Victims UnitEPA Official2016BillionsSeids · 1 episodeShow
2013Killing KennedyJack RubyMovie
2012ElementaryMichael McGee · 1 episodeShow
2012NYC 22Blume · 1 episodeShow
2011UnforgettableLt. Greg Sartain · 1 episodeShow
2010Blue BloodsJosh Thorp · 1 episodeShow
2009White CollarBertie Slavkin · 1 episodeShow
2009Public EnemiesHarry BermanMovie
2008New AmsterdamPeter Huygens · 1 episodeShow
2007DamagesDetective Dan Williams · 11 episodesShow
2007The Boy Who Cried Bitch: The Adolescent YearsMovie
2005The InsideBilly Ray Pope · 1 episodeShow
2004Grand Theft Auto: San Andreas - The IntroductionJohnny Sindacco (voice) (uncredited)Movie
2004CSI: NYPaul Sabotini · 1 episodeShow
2003The Street LawyerRafter MayesMovie
2000The CrewYoung Bobby BartellemeoMovie
1999LimboBobby GastineauMovie
1999Storm of the CenturyAlton "Hatch" Hatcher · 3 episodesShow
1999Chameleon II: Death MatchJake BookerMovie
1998Together and AloneBillyMovie
1997OzDetective Tarnowski · 2 episodesShow
1997Rose HillFergus CarrollMovie
1997BlissTannerMovie
1997Chicago Sons1 episodeShow
1996MistrialDetective Bobby ZitoMovie
1996The PhantomMorganMovie
1995Black ScorpionDr. Goddard / The Breath TakerMovie
1995NapoleonConan (voice)Movie
1994Milk MoneyCashMovie
1994704 Hauser1 episodeShow
1994Teresa's TattooMichaelMovie
1993The Paint JobCalMovie
1993The Adventures of Brisco County, Jr.Ned Zed · 1 episodeShow
1992Of Mice and MenCurleyMovie
1992Near Mrs.Colin PhippsMovie
1991The Big SliceMike SawyerMovie
1991The ChaseHutchinsonMovie
1989Back to the Future Part II3-DMovie
1989Breaking InMike LafebbMovie
1988Young GunsCharley BowdreMovie
1988Biloxi BluesDon CarneyMovie
1987Three O'Clock HighJerry MitchellMovie
1987Gardens of StoneWildmanMovie
1987American HarvestDakotaMovie
1986Stand by MeBilly TessioMovie
1986Amazing StoriesJonathanMovie
1986Miracle of the Heart: A Boys Town StoryAndy GraingerMovie
1985Amazing StoriesJonathan · 1 episodeShow
1985Back to the Future3-DMovie
1985Secret AdmirerRoger DespardMovie
1984Silence of the HeartJeffMovie
1984Hard KnoxAaron DavisMovie
1983ClassDougMovie
1982St. ElsewhereRick Messina · 3 episodesShow
1979The Facts of Life1 episodeShow
1951Hallmark Hall of FameFergus · 1 episodeShow
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