Kazimierz Andrew "Casey" Siemaszko (see-MASH-ko; born March 17, 1961) is an American actor.
Siemaszko was born in Chicago and grew up on the city's northwest side.
[2] He attended Saint Ignatius College Preparatory School and graduated from the Goodman School of Drama at DePaul University in 1983.
He joined the Polish Underground and was a survivor of the Sachsenhausen concentration camp.
He emigrated to Chicago in 1959 and became a well-known local choreographer and a fixture in the Polish community.