
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 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.
Gallery


Known For
Acting History
2016
Billions
2013Killing Kennedy as Jack Ruby
2013The Blacklist as Sam Raimo
2012Elementary as Michael McGee
2012NYC 22 as Blume
2011Person of Interest as Lester Strickland
2011Unforgettable as Lt. Greg Sartain
2010Blue Bloods as Josh Thorp
2009White Collar as Bertie Slavkin
2009Public Enemies as Harry Berman
2008New Amsterdam as Peter Huygens
2007Damages as Detective Dan Williams
2007The Boy Who Cried Bitch: The Adolescent Years
2005The Inside as Billy Ray Pope
2004Grand Theft Auto: San Andreas - The Introduction as Johnny Sindacco (voice) (uncredited)
2004CSI: NY as Paul Sabotini
2003The Street Lawyer as Rafter Mayes
2001Law & Order: Criminal Intent as Harvey Gruenwald
2000The Crew as Young Bobby Bartellemeo
1999Law & Order: Special Victims Unit as EPA Official
1999Limbo as Bobby Gastineau
1999Storm of the Century as Alton "Hatch" Hatcher
1999Chameleon II: Death Match as Jake Booker
1998Together and Alone as Billy
1997Oz as Detective Tarnowski
1997Rose Hill as Fergus Carroll
1997Bliss as Tanner
1997Chicago Sons
1996Mistrial as Detective Bobby Zito
1996The Phantom as Morgan
1995Black Scorpion as Dr. Goddard / The Breath Taker
1995Napoleon as Conan (voice)
1994Milk Money as Cash
1994My Life's in Turnaround as Himself
1994704 Hauser
1994Teresa's Tattoo as Michael
1993The Paint Job as Cal
1993The Adventures of Brisco County, Jr. as Ned Zed
1992Of Mice and Men as Curley
1992Near Mrs. as Colin Phipps
1991The Big Slice as Mike Sawyer
1991The Chase as Hutchinson
1990Law & Order as Bart Rainey
1990Law & Order as Defense Attorney Shuman
1989Back to the Future Part II as 3-D
1989Breaking In as Mike Lafebb
1988Young Guns as Charley Bowdre
1988Biloxi Blues as Don Carney
1987Three O'Clock High as Jerry Mitchell
1987Gardens of Stone as Wildman
1987American Harvest as Dakota
1986Stand by Me as Billy Tessio
1986Amazing Stories as Jonathan
1986Miracle of the Heart: A Boys Town Story as Andy Grainger
1985Amazing Stories as Jonathan
1985Back to the Future as 3-D
1985Secret Admirer as Roger Despard
1984Silence of the Heart as Jeff
1984Hard Knox as Aaron Davis
1983Class as Doug
1982St. Elsewhere as Rick Messina
1979The Facts of Life
1951Hallmark Hall of Fame as Fergus








