Casey Siemaszko

Casey Siemaszko is an American actor born on March 17, 1961, in Chicago. He is best known for his supporting roles in popular movies such as Back to the Future and Stand By Me. Siemaszko also starred in the film Three O'Clock High. He grew up on the northwest side of Chicago and attended Saint Ignatius College Preparatory School. Siemaszko graduated from the Goodman School of Drama at DePaul University in 1983. His father, Konstanty, was a Polish Roman Catholic who survived the Sachsenhausen concentration camp and later became a well-known local choreographer in Chicago. Siemaszko's mother, Collette McAllister, was English. He has a sister named Nina who is also an actress and a brother named Corky who is a writer for Daily News and a reporter for NBC News.