| Wandering in and out of he underbelly of Los Angeles, where criminals roam free under the veil of night or hide in the shadows of day, is routine for Lieutenant Carter Shaw and his special undercover task force. This team understands that to bring down a criminal, one must first get on their level. |
| Name | Character | Episodes |
|---|---|---|
| Logan Marshall-Green | Dean Bendis | 20 |
| Tricia Helfer | Alex Rice | 20 |
| Dylan McDermott | Carter Shaw | 20 |
| Omari Hardwick | Ty Curtis | 20 |
| Nicki Aycox | Jaimie Allen | 20 |
| Smith Cho | Elsa | 10 |
| Meta Golding | 6 | |
| Seamus Dever | Nick Perry | 2 |
| Gregg Henry | 2 | |
| Sasha Alexander | Julia Harris | 1 |
| Noel Gugliemi | 1 | |
| Michael Biehn | 1 | |
| Jordana Brewster | Maria | 1 |
| Channon Roe | 1 | |
| Lawrence Monoson | 1 | |
| Jon Huertas | 1 | |
| Monet Mazur | 1 | |
| Michael Bowen | 1 | |
| Clayne Crawford | 1 | |
| José Zúñiga | 1 | |
| Jonathan LaPaglia | 1 | |
| James Russo | 1 | |
| Evan Jones | 1 | |
| Al Sapienza | 1 | |
| Andrea Roth | Nicole | 1 |
| Shawn Doyle | 1 | |
| Brian Tee | 1 | |
| Gbenga Akinnagbe | 1 | |
| Butch Klein | Chuck | 1 |
| Henri Lubatti | 1 | |
| Matt Bushell | 1 | |
| Kyle Secor | 1 | |
| Noah Bean | 1 | |
| Dave Shalansky | Steve the Casino Employee | 1 |
| Monica Sanchez | Rosie | 1 |
| Josiah D. Lee | Tai Lee | 1 |
| Juliette Marquis | Nicole Sutton | 1 |