Dennis Franz is an American actor best known for his role as Detective Andy Sipowicz on the television series NYPD Blue. Born on October 28, 1944, in Chicago, Illinois, he has had a successful career in both television and film, earning multiple awards for his performances. Franz began his acting career in the 1970s and appeared in various shows and movies before gaining fame. He has won several Primetime Emmy Awards for his work and is recognized for his distinctive voice and strong screen presence. His contributions to the entertainment industry have made him a respected figure in Hollywood.