
Acting · 65 years old
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. 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.

Hallmark Hall of Fame
Fergus

Chicago Sons

Back to the Future
3-D

White Collar
Bertie Slavkin

Person of Interest
Lester Strickland

Oz
Detective Tarnowski

Law & Order: Special Victims Unit
EPA Official

Stand by Me
Billy Tessio

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

Blue Bloods
Josh Thorp

Back to the Future Part II
3-D

Billions
Seids

The Blacklist
Sam Raimo

Elementary
Michael McGee

Law & Order: Criminal Intent
Harvey Gruenwald

Amazing Stories
Jonathan

Damages
Detective Dan Williams

CSI: NY
Paul Sabotini

Law & Order
Bart Rainey

Law & Order
Defense Attorney Shuman