Kazimierz A. "Casey" Siemaszko (born March 17, 1961) is an American actor. His best known film roles are Back to the Future and Back to the Future Part II as 3-D, Stand By Me as Billy Tessio, Young Guns as Charlie Bowdre, and as Curley in Of Mice and Men.

Biography

Siemaszko was born in Chicago, Illinois. His father, Konstanty, was a Polish-born Roman Catholic who was a fighter in the Polish Underground during World War II, and who survived the Sachsenhausen concentration camp. His mother, Collette McAllister, was English. Siemaszko narrated the 1998 feature, The Polish-Americans. He is a graduate of the Goodman School of Drama at DePaul University in Chicago, as is his sister, actress Nina Siemaszko. He also has a brother, Corky Siemaszko, a reporter/writer for the New York Daily News.