Main Characters
John Cooper
Officer John Cooper
Played By: Michael Cudlitz
Ben Sherman
Officer Ben Sherman
Played By: Benjamin McKenzie
- Face–Heel Turn: Becomes a total Dirty Cop in Season 5.
Lydia Adams
Detective Lydia Adams
Played By: Regina King
Sammy Bryant
Detective Sammy Bryant
Played By: Shawn Hatosy
Bill Dudek
Officer Bill "Dewey" Dudek
Played By: C. Thomas Howell
Nate Moretta
Detective Nate Moretta
Played By: Kevin Alejandro
Salinger
Detective “Sal” Salinger
Played By: Michael McGrady
Russell Clarke
Detective Russell Clarke
Played By: Tom Everett Scott
Chickie Brown
Officer Chickie Brown
Played By: Arija Bareikis
Other Officers
Susan Salinger
Captain Susan Salinger
Played By: Denise Crosby
No-Gun
Detective Kenny “No-Gun”
Played By: Patrick Fischler
Andy Williams
Detective Andy Williams
Played By: Lex Medlin
Jones
Officer Jones
Played By: Bokeem Woodbine
Hank Lucero
Officer Hank Lucero
Played By: Anthony Ruivivar
- Boom, Headshot!: He's shot in the back of the head by a drug addict in "Chaos".
Alicia Fernandez
Detective Alicia Fernandez
Played By: Roxana Bruso
Jessica Tang
Sergeant Jessica Tang
Played By: Lucy Liu
Josie Ochoa
Josie Ochoa
Played By: Jenny Gago
Danny Ferguson
Officer Danny Ferguson
Played By: Lou Diamond Phillips
Joel Rucker
Captain Joel Rucker
Played By: Carl Lumbly