
Casey Siemaszko
Acting • Born 1961-03-17
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.
Filmography
63 credits
Back to the Future
Movie • 1985
3-D

Back to the Future Part II
Movie • 1989
3-D

Stand by Me
Movie • 1986
Billy Tessio

Class
Movie • 1983
Doug

Secret Admirer
Movie • 1985
Roger Despard

Young Guns
Movie • 1988
Charley Bowdre

Black Scorpion
Movie • 1995
Dr. Goddard / The Breath Taker

Of Mice and Men
Movie • 1992
Curley

The Phantom
Movie • 1996
Morgan

Three O'Clock High
Movie • 1987
Jerry Mitchell

Gardens of Stone
Movie • 1987
Wildman

Biloxi Blues
Movie • 1988
Don Carney

Breaking In
Movie • 1989
Mike Lafebb

The Crew
Movie • 2000
Young Bobby Bartellemeo

My Life's in Turnaround
Movie • 1994
Himself

The Street Lawyer
Movie • 2003
Rafter Mayes

Teresa's Tattoo
Movie • 1994
Michael

The Paint Job
Movie • 1993
Cal

Miracle of the Heart: A Boys Town Story
Movie • 1986
Andy Grainger

The Chase
Movie • 1991
Hutchinson

Killing Kennedy
Movie • 2013
Jack Ruby

Silence of the Heart
Movie • 1984
Jeff

The Big Slice
Movie • 1991
Mike Sawyer

Milk Money
Movie • 1994
Cash

Mistrial
Movie • 1996
Detective Bobby Zito

Chameleon II: Death Match
Movie • 1999
Jake Booker

Bliss
Movie • 1997
Tanner

Rose Hill
Movie • 1997
Fergus Carroll

Public Enemies
Movie • 2009
Harry Berman

Hard Knox
Movie • 1984
Aaron Davis

Near Mrs.
Movie • 1992
Colin Phipps

American Harvest
Movie • 1987
Dakota

Together and Alone
Movie • 1998
Billy

Amazing Stories
Movie • 1986
Jonathan

The Boy Who Cried Bitch: The Adolescent Years
Movie • 2007

Limbo
Movie • 1999
Bobby Gastineau

Napoleon
Movie • 1995
Conan (voice)

Grand Theft Auto: San Andreas - The Introduction
Movie • 2004
Johnny Sindacco (voice) (uncredited)

St. Elsewhere
TV • 1982
Rick Messina

New Amsterdam
TV • 2008
Peter Huygens

The Facts of Life
TV • 1979

CSI: NY
TV • 2004
Paul Sabotini

Oz
TV • 1997
Detective Tarnowski

The Inside
TV • 2005
Billy Ray Pope

704 Hauser
TV • 1994

Damages
TV • 2007
Detective Dan Williams

Hallmark Hall of Fame
TV • 1951
Fergus

Storm of the Century
TV • 1999
Alton "Hatch" Hatcher

Law & Order: Criminal Intent
TV • 2001
Harvey Gruenwald

Elementary
TV • 2012
Michael McGee

Person of Interest
TV • 2011
Lester Strickland

The Blacklist
TV • 2013
Sam Raimo

Blue Bloods
TV • 2010
Josh Thorp

White Collar
TV • 2009
Bertie Slavkin

Amazing Stories
TV • 1985
Jonathan

Law & Order
TV • 1990
Bart Rainey

Billions
TV • 2016

Unforgettable
TV • 2011
Lt. Greg Sartain

Law & Order
TV • 1990
Defense Attorney Shuman

The Adventures of Brisco County, Jr.
TV • 1993
Ned Zed

Law & Order: Special Victims Unit
TV • 1999
EPA Official

Chicago Sons
TV • 1997

NYC 22
TV • 2012
Blume