
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.

3-D
Back to the Future

3-D
Back to the Future Part II

Billy Tessio
Stand by Me

Doug
Class

Roger Despard
Secret Admirer

Charley Bowdre
Young Guns

Dr. Goddard / The Breath Taker
Black Scorpion

Curley
Of Mice and Men

Morgan
The Phantom

Jerry Mitchell
Three O'Clock High

Wildman
Gardens of Stone

Don Carney
Biloxi Blues

Mike Lafebb
Breaking In

Young Bobby Bartellemeo
The Crew

Himself
My Life's in Turnaround

Rafter Mayes
The Street Lawyer

Michael
Teresa's Tattoo

Cal
The Paint Job

Andy Grainger
Miracle of the Heart: A Boys Town Story

Hutchinson
The Chase

Jack Ruby
Killing Kennedy

Jeff
Silence of the Heart

Mike Sawyer
The Big Slice

Cash
Milk Money

Detective Bobby Zito
Mistrial

Jake Booker
Chameleon II: Death Match

Tanner
Bliss

Fergus Carroll
Rose Hill

Harry Berman
Public Enemies

Aaron Davis
Hard Knox

Colin Phipps
L'ambassade en folie

Dakota
American Harvest

Billy
Together and Alone

Jonathan
Amazing Stories

The Boy Who Cried Bitch: The Adolescent Years

Bobby Gastineau
Limbo

Conan (voice)
Napoleon

Johnny Sindacco (voice) (uncredited)
Grand Theft Auto: San Andreas - The Introduction
Known For
Acting
Known Credits
38
Gender
Male
Birthday
1961-03-17
Place of Birth
Chicago, Illinois, USA
Also Known As
Kazimierz A. Siemaszko