Main •
Jeremy Renner as Detective Jason Walsh, an experienced and respected detective with a painful past partnered with Shraeger after his partner died. •
Amber Tamblyn as Detective Casey Shraeger, scion of a wealthy New York family hiding her background. •
Harold Perrineau as Detective Leo Banks, who has an extreme paranoia of death. •
Joshua Close as Detective Henry Cole, a young detective with dark history. •
Monique Gabriela Curnen as Detective Allison Beaumont, one of the few female detectives at 2nd Precinct. • Kai Lennox as Detective Eddie Alvarez, the oddball of 2nd Precinct who speaks of himself in the third person and lacks social skills. •
Terry Kinney as Sergeant Harvey Brown, the commander of the 2nd Precinct. •
Adam Goldberg as Detective Eric Delahoy, Banks' witty partner.
Recurring •
Chris Sarandon as Walter Shraeger, Casey's wealthy father. •
Heather Burns as Bridget Demopolis, a dispatch operator in the 2nd Precinct whom Banks harbors romantic feelings for. •
Ryan O'Nan as Frank Lutz, Cole's former criminal accomplice. •
Kat Foster as Nicole Brandt, an attorney married to Alvarez and former high school classmate of Shraeger. •
Ian Kahn as Davis Nixon, Shraeger's financial manager who makes a relationship with her. •
Susan Park as Dr. Monica Crumb, the 2nd Precinct's medical examiner. •
Matthew Maher as Marvin Bechamel, a mentally-disabled criminal whom Walsh meet. • Robyn Rikoon as Amy Burch, Cole's fiancée. •
Robert Funaro as Officer Leach, a 2nd Precinct police officer. •
Cristin Milioti as sketch artist, an unnamed member of the 2nd Precinct responsible for constructing
facial composite. •
Marcella Lowery as Officer Shelia Trunk, a 2nd Precinct police officer. ==Episodes==