Casey Siemaszko
Biography
Casey Siemaszko, born Kazimierz A. Siemaszko, is a Polish-American actor born on March 17, 1961, in Chicago, Illinois. He is the brother of actress Nina Siemaszko. He is the son of a fighter in the Polish Underground who survived the Sachsenhausen concentration camp. Siemaszko graduated from the Goodman School of Drama at DePaul University in Chicago, an institution that his sister Nina later also attended. He narrated the 1998 feature film The Polish-Americans. His acting career includes roles in numerous popular films, such as Back to the Future, Back to the Future Part II, Young Guns, Silence of the Heart, Of Mice and Men, Killing Kennedy, and Stand By Me.
Career overview
Casey Siemaszko, born Kazimierz A. Siemaszko on March 17, 1961, in Chicago, Illinois, is a Polish-American actor. He is the brother of actress Nina Siemaszko, and is the son of a fighter in the Polish Underground who survived the Sachsenhausen concentration camp. Siemaszko graduated from the Goodman School of Drama at DePaul University in Chicago, an institution that his sister Nina later also attended.
Throughout his career, Siemaszko has accumulated dozens of popular film credits, mostly consisting of smaller roles. His filmography includes appearances in 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. In addition to his acting work on screen, Siemaszko also narrated the 1998 feature film The Polish-Americans.
Ask the Vault
Ask anything about Casey Siemaszko.
Frequent co-stars
Career timeline
Full filmography
- Billions (2016) as Seids
- The Blacklist (2013) as Sam Raimo
- Killing Kennedy (2013) as Jack Ruby
- Elementary (2012) as Michael McGee
- NYC 22 (2012) as Blume
- Person of Interest (2011) as Lester Strickland
- Unforgettable (2011) as Lt. Greg Sartain
- Blue Bloods (2010) as Josh Thorp
- White Collar (2009) as Bertie Slavkin
- Public Enemies (2009) as Harry Berman
- New Amsterdam (2008) as Peter Huygens
- Damages (2007) as Detective Dan Williams
- The Boy Who Cried Bitch: The Adolescent Years (2007)
- The Inside (2005) as Billy Ray Pope
- CSI: NY (2004) as Paul Sabotini
- Grand Theft Auto: San Andreas - The Introduction (2004) as Johnny Sindacco (voice) (uncredited)
- The Street Lawyer (2003) as Rafter Mayes
- Law & Order: Criminal Intent (2001) as Harvey Gruenwald
- The Crew (2000) as Young Bobby Bartellemeo
- Law & Order: Special Victims Unit (1999) as EPA Official
- Storm of the Century (1999) as Alton "Hatch" Hatcher
- Limbo (1999) as Bobby Gastineau
- Chameleon II: Death Match (1999) as Jake Booker
- Together and Alone (1998) as Billy
- Oz (1997) as Detective Tarnowski
- Bliss (1997) as Tanner
- Chicago Sons (1997)
- Rose Hill (1997) as Fergus Carroll
- The Phantom (1996) as Morgan
- Mistrial (1996) as Detective Bobby Zito
- Napoleon (1995) as Conan (voice)
- Black Scorpion (1995) as Dr. Goddard / The Breath Taker
- Milk Money (1994) as Cash
- Teresa's Tattoo (1994) as Michael
- 704 Hauser (1994)
- My Life's in Turnaround (1994) as Himself
- The Adventures of Brisco County, Jr. (1993) as Ned Zed
- The Paint Job (1993) as Cal
- Of Mice and Men (1992) as Curley
- Near Mrs. (1992) as Colin Phipps
- The Chase (1991) as Hutchinson
- The Big Slice (1991) as Mike Sawyer
- Law & Order (1990) as Bart Rainey
- Law & Order (1990) as Defense Attorney Shuman
- Back to the Future Part II (1989) as 3-D
- Breaking In (1989) as Mike Lafebb
- Young Guns (1988) as Charley Bowdre
- Biloxi Blues (1988) as Don Carney
- American Harvest (1987) as Dakota
- Three O'Clock High (1987) as Jerry Mitchell
- Gardens of Stone (1987) as Wildman
- Stand by Me (1986) as Billy Tessio
- Amazing Stories (1986) as Jonathan
- Miracle of the Heart: A Boys Town Story (1986) as Andy Grainger
- Back to the Future (1985) as 3-D
- Amazing Stories (1985) as Jonathan
- Secret Admirer (1985) as Roger Despard
- Hard Knox (1984) as Aaron Davis
- Silence of the Heart (1984) as Jeff
- Class (1983) as Doug
- St. Elsewhere (1982) as Rick Messina
- The Facts of Life (1979)
- Hallmark Hall of Fame (1951) as Fergus