Dennis Franz: Dennis Franz. Actor: NYPD Blue. Dennis Franz was born Dennis Franz Schlacta in Maywood, Illinois, a suburb of Chicago, and is the son of Eleanor (Mueller) and Franz Ferdinand Schlachta, who were postal workers. He has two sisters, Marlene (born 1938) and Heidi (born 1935). He graduated from Southern Illinois University and was immediately drafted into the military. He served eleven months in Vietnam in a reconnaissance unit, and after...
