From Wikipedia, the free encyclopedia. Sam Firstenberg (born March 13, 1950, Poland) is an American film director. Born in Poland, Sam Firstenberg grew up in Jerusalem, and obtained his higher education in Los Angeles, California. He is best known for American ninja movie serial. Sam Firstenberg has directed films ranging from comedy to action, musical to drama, science fiction, thrillers and horror. Description above from the Wikipedia article Sam Firstenberg, licensed under CC-BY-SA,full list of contributors on Wikipedia.