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. 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.
Known for
Law & Order
Bart Rainey
Law & Order
Defense Attorney Shuman
The Blacklist
Sam Raimo
Law & Order: Special Victims Unit
EPA Official
Blue Bloods
Josh Thorp
Person of Interest
Lester Strickland
CSI: NY
Paul Sabotini
Billions
Elementary
Michael McGee
White Collar
Bertie Slavkin
Oz
Detective Tarnowski
Law & Order: Criminal Intent
Harvey Gruenwald
The Facts of Life
Amazing Stories
Jonathan
Damages
Detective Dan Williams
Unforgettable
Greg Sartain
The Adventures of Brisco County, Jr.
Ned Zed
NYC 22
Blume
Back to the Future
3-D
St. Elsewhere
New Amsterdam
Peter Huygens
The Inside
Billy Ray Pope
Storm of the Century
Alton "Hatch" Hatcher
704 Hauser
Back to the Future Part II
3-D
Stand by Me
Billy Tessio
Public Enemies
Harry Berman
Hallmark Hall of Fame
Fergus
Milk Money
Cash
Young Guns
Charley Bowdre
Of Mice and Men
Curley
Hard Knox
Aaron Davis
Bliss
Tanner
The Phantom
Morgan
Secret Admirer
Roger Despard
Chicago Sons
Class
Doug
Napoleon
Conan (voice)
Gardens of Stone
Wildman
Three O'Clock High
Jerry Mitchell
Biloxi Blues
Don Carney
The Crew
Young Bobby Bartellemeo
Killing Kennedy
Jack Ruby
Mistrial
Detective Bobby Zito
Limbo
Bobby Gastineau
Rose Hill
Fergus Carroll
Amazing Stories
Jonathan
Black Scorpion
Dr. Goddard / The Breath Taker
Silence of the Heart
Jeff
Grand Theft Auto: San Andreas - The Introduction
Johnny Sindacco (voice) (uncredited)
Teresa's Tattoo
Michael
The Street Lawyer
Rafter Mayes
Amazing Stories: The Movie I
Jonathan (archive footage)
Breaking In
Mike Lafebb
The Paint Job
Cal
The Chase
Hutchinson
The Big Slice
Mike Sawyer
American Harvest
Dakota
Together and Alone
Billy
Chameleon II: Death Match
Jake Booker
Miracle of the Heart: A Boys Town Story
Andy Grainger
My Life's in Turnaround
Himself
The Boy Who Cried Bitch: The Adolescent Years
Near Mrs.
Colin Phipps