Casey Siemaszko
Kazimierz Andrew "Casey" Siemaszko (born March 17, 1961) is an American actor. He had supporting roles in Back to the Future, Stand By Me, and Of Mice and Men. He also had a leading role for the film Three O'Clock High.
Also recorded as Kazimierz Siemaszko
Casey Siemaszko
- Name
- Casey Siemaszko
- Birth Name
- Kazimierz Andrew Siemaszko
- Born
- 17 March 1961
- Birthplace
- Chicago, Illinois, U.S.
- Education
- DePaul University (BFA)
- Occupation
- Actor
- Nationality
- United States.
- Fields
- film acting.
- Languages
- English.
VALÉORINE Encyclopedia
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Documentary summary
Kazimierz Andrew "Casey" Siemaszko (born March 17, 1961) is an American actor. He had supporting roles in Back to the Future, Stand By Me, and Of Mice and Men. He also had a leading role for the film Three O'Clock High.
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Note VALÉORINE
Casey Siemaszko (born 1961) is an American actor, film actor and television actor, among other activities. The actor was born in Chicago.
Casey Siemaszko studied at DePaul University. The actor is active in film acting. Languages used include English.
Composed from admitted, traceable facts · 26 September 2026
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Documentary evidence
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Authority files
wikidata · Q1047259 · wikipedia · Casey Siemaszko
In this article
Key facts
Key facts
• Name — Casey Siemaszko • Birth Name — Kazimierz Andrew Siemaszko • Born — 17 March 1961 • Birthplace — Chicago, Illinois, U.S. • Education — DePaul University (BFA) • Occupation — Actor • Relatives — Nina Siemaszko (sister) • Years Active — 1983–present
Personal life
Personal life
Siemaszko was born in Chicago and grew up on the city's northwest side. He attended Saint Ignatius College Preparatory School and graduated from the Goodman School of Drama at DePaul University in 1983. His father, Konstanty (1918–1999), was a Polish Roman Catholic and a former member of the Polish Navy. He joined the Polish Underground and was a survivor of the Sachsenhausen concentration camp. He immigrated to Chicago in 1959 and became a well-known local choreographer and a fixture in the Polish community. His mother, Collette McAllister (1931–2008), was English. His sister Nina is an actress and his brother, Corky, is a writer for Daily News and a reporter for NBC News.
Television
Television
• Year — Title — Role — Notes • 1984 — Silence of the Heart — Jeff — Television film • The Facts of Life — Brian — Episode: "Smile" • 1984–1985 — St. Elsewhere — Rick Messina — 3 episodes • 1985 — Amazing Stories — Jonathan — Episode: "The Mission" • 1991 — The Chase — Phillip Hutchinson — Television film • 1993 — Tribeca — "Red" Grady — Episode: "Heros Exoletus" • 1994 — The Adventures of Brisco County, Jr. — Ned Zed — Episode: "Ned Zed" • 704 Hauser — Joey Stivic — Episode: "Meet the Cumberbatchs" • 1996 — Too Something — Angry Competitive Guy — 2 episodes • Mistrial — Detective Bobby Zito — Television film • 1997–2009 — Law & Order — Mr. Shuman / Green's Union Delegate / Bart Rainey — 3 episodes • 1997 — Chicago Sons — Frank — Episode: "To Have and to Hold" • Rose Hill — Fergus Carroll — Television film • 1999 — Chameleon II: Death Match — Jake Booker — Television film • Storm of the Century — Alton "Hatch" Hatcher — Miniseries • 2000 — Falcone — Ray Cerrone — 2 episodes • 2002–2004 — NYPD Blue — IAB Captain Pat Fraker — 13 episodes • 2003 — Oz — Detective Tarnowski — 2 episodes • 2004 — Law & Order: Criminal Intent — Harvey Gruenwald — Episode: "Unrequited" • 2005 — The Inside — Billy Ray Pope — Episode: "Thief of Hearts" • 2006 — CSI: NY — Paul Sabotini — Episode: "Run Silent, Run Deep" • 2007 — Law & Order: Special Victims Unit — EPA Official — Episode: "Loophole" • The Bronx Is Burning — Detective Welker — Episode: "The Seven Commandments" • 2007–2012 — Damages — Dan Williams — 12 episodes • 2008 — New Amsterdam — Peter Huygens — Episode: "Golden Boy" • 2010 — The Event — Frank Decosta — Episode: "I Haven't Told You Everything" • 2012 — Blue Bloods — Josh Thorp — Episode: "Collateral Damage" • Louie — Homeless Man — Episode: "Daddy's Girlfriend: Part 2" • White Collar — Bert "Bertie" Slavkin — Episode: "Parting Shots" • NYC 22 — Allen Blume — 3 episodes • Elementary — Michael McGee — Episode: "While You Were Sleeping" • 2013 — Killing Kennedy — Jack Ruby — Television film • 2014 — The Blacklist — Sam Raimo — Episode: "Mako Tanida (No.83)" • 2015 — Unforgettable — Greg Zartane — Episode: "Blast from the Past" • 2016 — Billions — Seids — Episode: "Short Squeeze"
Video games
Video games
• Year — Title — Voice role • 2004 — Red Dead Revolver — Conductor / Hank Pullman / Jason Cornet / Cowboys #2 • 2004 — Grand Theft Auto: San Andreas — Johnny Sindacco / Pedestrian • 2018 — Red Dead Redemption 2 — Wróbel
Identity and origins
Identity and origins
The authorities additionally record the heading Kazimierz Siemaszko. His recorded language was English. Other recorded relations include Konstanty Siemaszko.
Identity
Identity
Casey Siemaszko is recorded as actor.
Film
• Year — Title — Role — Notes • 1983 — Class — Doug • 1985 — Secret Admirer — Roger Despard • Back to the Future — 3-D • 1986 — Stand by Me — Billy Tessio • 1987 — Gardens of Stone — Wildman • Three O'Clock High — Jerry Mitchell • 1988 — Biloxi Blues — Private Donald J. Carney • Young Guns — Charlie Bowdre • 1989 — Breaking In — Mike Lafebb • Back to the Future Part II — 3-D • 1992 — Of Mice and Men — Curley • 1994 — Teresa's Tattoo — Michael • Milk Money — "Cash" • 1995 — Napoleon — Conan / Pengi — Voice • Black Scorpion — Dr. Goddard • 1996 — The Phantom — Morgan • 1997 — Bliss — Tanner • 1998 — Taxman — Abrasha Topolev • 1999 — Limbo — Bobby Gastineau • 2000 — The Crew — Young Bobby Bartellemeo • 2009 — Public Enemies — Harry Berman
Literature
Scholarly footprint
A count of publications is evidence of attention, not of standing, and is given here only as a measure.
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.Foster, Tom. Five Things You Didn't Know about Casey Siemaszko. TVOvermind. 2017-06-23.
- 2.Writer, Meg McSherry Breslin, Tribune Staff. KONSTANTY SIEMASZKO; TAUGHT DANCE. Chicago Tribune. 19 January 1999.
- 3.HASTINGS, BRADFORD. Career Education in the College Preparatory School. Vocational Guidance Quarterly. 26. 3. 264–267. March 1978. 0042-7764.
- 4.Casey Siemaszko. IMDb.
- 5.Acting siblings return to Chicago | Chicago film, commercials, advertising, video, production, post, tech news from. ReelChicago.com. 2009-11-06.
- 6.Where are 'Back to the Future' stars today?. Today.
- 7.Casey Siemaszko in 'Breaking In': No Time to Play It Safe. Los Angeles Times. 1989-10-10.
- 8.O`Malley, Kathy. BREAKING IN BIG. Chicago Tribune. 27 October 1989.
- 9.Back To The Future, then and now - the stars in pictures. Daily Telegraph. 2015-10-21. 0307-1235.
References
Citations
References
Each reference names the institution holding it, so a reader may go to the document itself.
reference work
Secondary witnessreference work
Secondary witness
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 15 August 2026.
Elsewhere in Film memorabilia
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