Casey Siemaszko
Kazimierz A. "Casey" Siemaszko is an American actor. Among supporting roles in films such as Back to the Future and Stand by Me, he also is known for his starring roles in films such as Three O'Clock High and Breaking In, along with numerous small roles in film and television.Siemaszko was born in Chicago. His father, Konstanty, was a Polish Roman Catholic, and survivor of Polish Underground and Sachsenhausen concentration camp. His mother, Collette McAllister, was English. He attended The Theatre School at DePaul University. His brother, Corky, is a writer for Daily News and a reporter of NBC News.Filmography
Film
Television
