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… Read more
Known for Back to the Future 1985 Back to the Future Part II 1989 Stand by Me 1986 Public Enemies 2009 Series ★ 7.8 Billions 2016
Seids ★ 5.8 Killing Kennedy 2013
Jack Ruby Series ★ 7.6 The Blacklist 2013
Sam Raimo Series ★ 7.6 Elementary 2012
Michael McGee Series ★ 8.1 Person of Interest 2011
Lester Strickland Series ★ 7.2 Unforgettable 2011
Lt. Greg Sartain Series ★ 7.8 Blue Bloods 2010
Josh Thorp ★ 6.7 Public Enemies 2009
Harry Berman Series ★ 8.2 White Collar 2009
Bertie Slavkin Series ★ 7.1 New Amsterdam 2008
Peter Huygens Series ★ 7.5 Damages 2007
Detective Dan Williams Series ★ 7.3 The Inside 2005
Billy Ray Pope Series ★ 7.3 CSI: NY 2004
Paul Sabotini Series ★ 7.6 Law & Order: Criminal Intent 2001
Harvey Gruenwald ★ 5.5 The Crew 2000
Young Bobby Bartellemeo ★ 6.6 Limbo 1999
Bobby Gastineau Series ★ 7 Storm of the Century 1999
Alton "Hatch" Hatcher Series ★ 8 Law & Order: Special Victims Unit 1999
EPA Official ★ 6.4 Bliss 1997
Tanner Series ★ 8 Oz 1997
Detective Tarnowski ★ 5.3 The Phantom 1996
Morgan ★ 5.3 Mistrial 1996
Detective Bobby Zito ★ 5.5 Black Scorpion 1995
Dr. Goddard / The Breath Taker ★ 6.3 Napoleon 1995
Conan (voice) ★ 6.5 Milk Money 1994
Cash Series ★ 7.1 The Adventures of Brisco County, Jr. 1993
Ned Zed ★ 7.2 Of Mice and Men 1992
Curley Series ★ 7.3 Law & Order 1990
Bart Rainey ★ 7.8 Back to the Future Part II 1989
3-D ★ 5.7 Breaking In 1989
Mike Lafebb ★ 6.7 Young Guns 1988
Charley Bowdre ★ 6.3 Biloxi Blues 1988
Don Carney ★ 6.8 Three O'Clock High 1987
Jerry Mitchell ★ 6.2 Gardens of Stone 1987
Wildman ★ 7.8 Stand by Me 1986
Billy Tessio ★ 6.1 Amazing Stories 1986
Jonathan ★ 8.3 Back to the Future 1985
3-D ★ 6.7 Secret Admirer 1985
Roger Despard Series ★ 7.5 Amazing Stories 1985
Jonathan ★ 6 Class 1983
Doug Series ★ 5.7 St. Elsewhere 1982
Rick Messina Series ★ 7.1 The Facts of Life 1979
