Bill Clark is a former New York Police Department first grade detective and an award-winning television writer and producer.

He was a veteran NYPD Detective First Grade before joining David Milch and Steven Bochco's NYPD Blue in the first season as technical consultant, drawing on his twenty-five years experience with New York undercover and homicide units to ensure that the series accurately and realistically portrayed the work of New York City detectives.

[1] Born in St. John's, Newfoundland, Clark grew up in Brooklyn, New York, in an area now known as Park Slope.

He worked on a number of headline cases ranging from the Son of Sam[2] to crackdowns against the Gambino crime family.

[4] He has had featured acting roles on L.A. Law, John from Cincinnati, Fallen, CSI: Miami and NYPD Blue.