Birth Name: Kazimierz A. Siemaszko
Place of Birth: Chicago, Illinois, United States
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 mother was born in Brentford, Middlesex, England. His father was Polish.
Casey’s maternal grandparents were William P. McAllister and Angela Forejt. William was Irish or Scottish. Angela was likely Czech.