Birth Name: Kazimierz A. Siemaszko
Place of Birth: Chicago, Illinois, U.S.
Date of Birth: March 17, 1961
Ethnicity:
*Polish (father)
*Irish or Scottish, Czech (mother)
Casey Siemaszko is an American actor. He is the son of Collette E. (McAllister) and Konstanty Siemaszko. His sister is actress Nina Siemaszko.
His father was Polish. His mother was born in Brentford, Middlesex, England.
Casey’s maternal grandparents were William P. McAllister and Angela Forejt. William was Irish or Scottish. Angela was likely Czech.