Casey Siemaszko was born on 01 Mar 1961 in Chicago, Illinois, USA. His birth name was Kazimierz Siemaszko. His height is 173cm.

Casey Siemaszko appeared in the movie Back to the Future(1985), Biloxi Blues(1988), Bliss(1997), Breaking In(1989), Limbo(1999), Napoleon(1995), Of Mice and Men(1992), Secret Admirer(1985), Stand by Me(1986), The Big Slice(1991), The Crew (2000/I)(1999), The Phantom(1996), Three O'Clock High(1987), Waltzing Anna(2006)。