
Casey Siemaszko
Biography
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 Ba…
Known For
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Filmography
Acting (62)
Movies (38)
Killing Kennedy
2013as Jack Ruby
Public Enemies
2009as Harry Berman
The Boy Who Cried Bitch: The Adolescent Years
2007
Grand Theft Auto: San Andreas - The Introduction
2004as Johnny Sindacco (voice) (uncredited)
The Street Lawyer
2003as Rafter Mayes
The Crew
2000as Young Bobby Bartellemeo
Limbo
1999as Bobby Gastineau
Chameleon II: Death Match
1999as Jake Booker
Together and Alone
1998as Billy
Bliss
1997as Tanner
Rose Hill
1997as Fergus Carroll
Mistrial
1996as Detective Bobby Zito
The Phantom
1996as Morgan
Napoleon
1995as Conan (voice)
Black Scorpion
1995as Dr. Goddard / The Breath Taker
Milk Money
1994as Cash
Teresa's Tattoo
1994as Michael
My Life's in Turnaround
1994as Himself
The Paint Job
1993as Cal
Of Mice and Men
1992as Curley
Near Mrs.
1992as Colin Phipps
The Big Slice
1991as Mike Sawyer
The Chase
1991as Hutchinson
Back to the Future Part II
1989as 3-D
Breaking In
1989as Mike Lafebb
Young Guns
1988as Charley Bowdre
Biloxi Blues
1988as Don Carney
Gardens of Stone
1987as Wildman
Three O'Clock High
1987as Jerry Mitchell
American Harvest
1987as Dakota
Stand by Me
1986as Billy Tessio
Amazing Stories
1986as Jonathan
Miracle of the Heart: A Boys Town Story
1986as Andy Grainger
Back to the Future
1985as 3-D
Secret Admirer
1985as Roger Despard
Silence of the Heart
1984as Jeff
Hard Knox
1984as Aaron Davis
Class
1983as Doug
Television (24)
Billions
2016as Seids
The Blacklist
2013as Sam Raimo
Elementary
2012as Michael McGee
NYC 22
2012as Blume
Person of Interest
2011as Lester Strickland
Unforgettable
2011as Lt. Greg Sartain
Blue Bloods
2010as Josh Thorp
White Collar
2009as Bertie Slavkin
New Amsterdam
2008as Peter Huygens
Damages
2007as Detective Dan Williams
The Inside
2005as Billy Ray Pope
CSI: NY
2004as Paul Sabotini
Law & Order: Criminal Intent
2001as Harvey Gruenwald
Law & Order: Special Victims Unit
1999as EPA Official
Storm of the Century
1999as Alton "Hatch" Hatcher
Oz
1997as Detective Tarnowski
Chicago Sons
1997
704 Hauser
1994
The Adventures of Brisco County, Jr.
1993as Ned Zed
Law & Order
1990as Defense Attorney Shuman
Amazing Stories
1985as Jonathan
St. Elsewhere
1982as Rick Messina
The Facts of Life
1979
Hallmark Hall of Fame
1951as Fergus
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