
Casey Siemaszko
Born
March 17, 1961 (64 years old)
Known For
Acting
Place of Birth
Chicago, Illinois, USA
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.

Billions
(1 episode)
2016

Killing Kennedy
Jack Ruby
2013

The Blacklist
Sam Raimo · (1 episode)
2013

Elementary
Michael McGee · (1 episode)
2012

NYC 22
Blume · (1 episode)
2012

Person of Interest
Lester Strickland · (1 episode)
2011

Unforgettable
Greg Sartain · (1 episode)
2011

Blue Bloods
Josh Thorp · (1 episode)
2010

White Collar
Bertie Slavkin · (1 episode)
2009

Public Enemies
Harry Berman
2009

New Amsterdam
Peter Huygens · (1 episode)
2008

Damages
Detective Dan Williams · (8 episodes)
2007

The Boy Who Cried Bitch: The Adolescent Years
2007

The Inside
Billy Ray Pope · (1 episode)
2005

CSI: NY
Paul Sabotini · (1 episode)
2004

The Street Lawyer
Rafter Mayes
2003

Law & Order: Criminal Intent
Harvey Gruenwald · (1 episode)
2001

The Crew
Young Bobby Bartellemeo
2000

Law & Order: Special Victims Unit
EPA Official · (1 episode)
1999

Limbo
Bobby Gastineau
1999

Storm of the Century
Alton "Hatch" Hatcher · (3 episodes)
1999

Chameleon II: Death Match
Jake Booker
1999

Together and Alone
Billy
1998

Oz
Detective Tarnowski · (2 episodes)
1997

Rose Hill
Fergus Carroll
1997

Bliss
Tanner
1997

Chicago Sons
(1 episode)
1997

Mistrial
Detective Bobby Zito
1996

The Phantom
Morgan
1996

Black Scorpion
Dr. Goddard / The Breath Taker
1995

Napoleon
Conan (voice)
1995

Milk Money
Cash
1994

My Life's in Turnaround
Himself
1994

704 Hauser
(1 episode)
1994

Teresa's Tattoo
Michael
1994

The Paint Job
Cal
1993

The Adventures of Brisco County, Jr.
Ned Zed · (1 episode)
1993

Of Mice and Men
Curley
1992
Near Mrs.
Colin Phipps
1992

The Big Slice
Mike Sawyer
1991

The Chase
Hutchinson
1991

Law & Order
Bart Rainey · (1 episode)
1990

Law & Order
Defense Attorney Shuman · (1 episode)
1990

Back to the Future Part II
3-D
1989

Breaking In
Mike Lafebb
1989

Biloxi Blues
Don Carney
1988

Young Guns
Charley Bowdre
1988

Three O'Clock High
Jerry Mitchell
1987

Gardens of Stone
Wildman
1987

American Harvest
Dakota
1987

Stand by Me
Billy Tessio
1986

Amazing Stories
Jonathan
1986

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

Amazing Stories
Jonathan · (1 episode)
1985

Back to the Future
3-D
1985

Secret Admirer
Roger Despard
1985

Silence of the Heart
Jeff
1984

Class
Doug
1983

Amazing Stories: The Movie I
Jonathan (archive footage)

Hard Knox
Aaron Davis
1984

St. Elsewhere
(3 episodes)
1982

The Facts of Life
(1 episode)
1979

Hallmark Hall of Fame
Fergus · (1 episode)
1951