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Casey Siemaszko

Casey Siemaszko

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

2016

Killing Kennedy

2013

as Jack Ruby

The Blacklist

2013

as Sam Raimo

Elementary

2012

as Michael McGee

NYC 22

2012

as Blume

Person of Interest

2011

as Lester Strickland

Unforgettable

2011

as 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

Grand Theft Auto: San Andreas - The Introduction

2004

as Johnny Sindacco (voice) (uncredited)

CSI: NY

2004

as Paul Sabotini

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

Limbo

1999

as Bobby Gastineau

Storm of the Century

1999

as Alton "Hatch" Hatcher

Chameleon II: Death Match

1999

as Jake Booker

Together and Alone

1998

as Billy

Oz

1997

as Detective Tarnowski

Rose Hill

1997

as Fergus Carroll

Bliss

1997

as Tanner

Chicago Sons

1997

Mistrial

1996

as Detective Bobby Zito

The Phantom

1996

as Morgan

Black Scorpion

1995

as Dr. Goddard / The Breath Taker

Napoleon

1995

as Conan (voice)

Milk Money

1994

as Cash

My Life's in Turnaround

1994

as Himself

704 Hauser

1994

Teresa's Tattoo

1994

as Michael

The Paint Job

1993

as Cal

The Adventures of Brisco County, Jr.

1993

as Ned Zed

Of Mice and Men

1992

as Curley

Near Mrs.

1992

as Colin Phipps

The Big Slice

1991

as Mike Sawyer

The Chase

1991

as Hutchinson

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

Biloxi Blues

1988

as Don Carney

Young Guns

1988

as Charley Bowdre

Three O'Clock High

1987

as Jerry Mitchell

Gardens of Stone

1987

as Wildman

American Harvest

1987

as Dakota

Stand by Me

1986

as Billy Tessio

Amazing Stories

1986

as Jonathan

Miracle of the Heart: A Boys Town Story

1986

as Andy Grainger

Amazing Stories

1985

as Jonathan

Back to the Future

1985

as 3-D

Secret Admirer

1985

as Roger Despard

Silence of the Heart

1984

as Jeff

Hard Knox

1984

as Aaron Davis

Class

1983

as Doug

St. Elsewhere

1982

The Facts of Life

1979

Hallmark Hall of Fame

1951

as Fergus

Amazing Stories: The Movie I

as Jonathan (archive footage)