Born 1961 (age 65) · Chicago, Illinois, USA
Appears in 62 titles

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.

Filmography

Back to the Future
8.3
Back to the Future
1985
as 3-D
Back to the Future Part II
Stand by Me
7.8
Stand by Me
1986
as Billy Tessio
Public Enemies
6.7
Public Enemies
2009
as Harry Berman
Young Guns
6.7
Young Guns
1988
as Charley Bowdre
Of Mice and Men
7.3
Of Mice and Men
1992
as Curley
The Phantom
5.3
The Phantom
1996
as Morgan
Milk Money
6.4
Milk Money
1994
as Cash
Three O'Clock High
6.8
Three O'Clock High
1987
as Jerry Mitchell
Biloxi Blues
6.2
Biloxi Blues
1988
as Don Carney
Class
5.9
Class
1983
as Doug
Secret Admirer
6.7
Secret Admirer
1985
as Roger Despard
Gardens of Stone
6.2
Gardens of Stone
1987
as Wildman
Napoleon
6.2
Napoleon
1995
as Conan (voice)
Killing Kennedy
5.8
Killing Kennedy
2013
as Jack Ruby
Limbo
6.6
Limbo
1999
as Bobby Gastineau
Bliss
5.5
Bliss
1997
as Tanner
The Crew
5.4
The Crew
2000
as Young Bobby Bartellemeo
Breaking In
5.7
Breaking In
1989
as Mike Lafebb
Black Scorpion
5.5
Black Scorpion
1995
as Dr. Goddard / The Breath Taker