Casey Siemaszko
Born in Chicago, Illinois, USA — Mar 17 1961
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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…
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Casey Siemaszko's Credits
Browse acting and crew credits across movies and TV — filter and sort to find specific roles.
Law & Order: Special Victims Unit
EPA Official
Law & Order
Bart Rainey
The Blacklist
Sam Raimo
Blue Bloods
Josh Thorp
Law & Order: Criminal Intent
Harvey Gruenwald
Person of Interest
Lester Strickland
Elementary
Michael McGee
CSI: NY
Paul Sabotini
White Collar
Bertie Slavkin
Billions
Seids
Damages
Detective Dan Williams
St. Elsewhere
Rick Messina
Oz
Detective Tarnowski
The Facts of Life
Unforgettable
Lt. Greg Sartain
Back to the Future
3-D
Amazing Stories
Jonathan
Stand by Me
Billy Tessio
The Adventures of Brisco County, Jr.
Ned Zed
The Inside
Billy Ray Pope
Back to the Future Part II
3-D
New Amsterdam
Peter Huygens
Public Enemies
Harry Berman
Hallmark Hall of Fame
Fergus
Chicago Sons
Young Guns
Charley Bowdre
NYC 22
Blume
Storm of the Century
Alton "Hatch" Hatcher
Milk Money
Cash
Of Mice and Men
Curley
Class
Doug
Bliss
Tanner
Gardens of Stone
Wildman
The Phantom
Morgan
Secret Admirer
Roger Despard
Biloxi Blues
Don Carney
The Crew
Young Bobby Bartellemeo
Three O'Clock High
Jerry Mitchell
Grand Theft Auto: San Andreas - The Introduction
Johnny Sindacco (voice) (uncredited)
Amazing Stories
Jonathan
Mistrial
Detective Bobby Zito
Killing Kennedy
Jack Ruby
Black Scorpion
Dr. Goddard / The Breath Taker
Limbo
Bobby Gastineau
The Chase
Hutchinson
Napoleon
Conan (voice)
Teresa's Tattoo
Michael
The Paint Job
Cal
Rose Hill
Fergus Carroll
704 Hauser
Breaking In
Mike Lafebb
The Big Slice
Mike Sawyer
Hard Knox
Aaron Davis
The Street Lawyer
Rafter Mayes
Chameleon II: Death Match
Jake Booker
Miracle of the Heart: A Boys Town Story
Andy Grainger
Silence of the Heart
Jeff
Near Mrs.
Colin Phipps
My Life's in Turnaround
Himself
American Harvest
Dakota
Together and Alone
Billy
The Boy Who Cried Bitch: The Adolescent Years