Brian Dennehy is in negotiations to join whilst John Leguizamo, Dan Futterman, Trilby Glover and professional skateboarder Rob Dyrdek have just joined thriller "Righteous Kill" reports Coming Soon.

The story follows long time police detectives (Al Pacino, Robert De Niro) as they investigate a series of vigilante killings in New York City. Leguizamo plays a cop in the NYPD who butts heads with Pacino and De Niro as they search for a serial killer.

Dennehy takes on the role of their captain. Futterman and Glover both play attorneys, and Dyrdek a delinquent, who crosses paths with the detectives during their investigations. 50 Cent, Carla Gugino and Donnie Wahlberg also star.

The Jon Avnet-helmed, Russell Gewirtz-penned production begins filming September 4th in Connecticut and New York.