| In Southern California, a beachfront property was seized and turned into a residence for undercover cops. They are all top agents of the DEA, FBI, and Customs and they are living in this house unofficially known as "Graceland". Coming of a new graduating at the top of his class, FBI rookie, Mike Warren, could make the life of a legendary FBI agent Paul Briggs and the others, more complicated or it could reveal the truth. It is based upon actual events. |
| Name | Character | Episodes |
|---|---|---|
| Manny Montana | Joe "Johnny" Tuturro | 38 |
| Serinda Swan | Paige Arkin | 38 |
| Vanessa Ferlito | Catherine "Charlie" DeMarco | 38 |
| Daniel Sunjata | Paul Briggs | 38 |
| Aaron Tveit | Mike Warren | 38 |
| Brandon Jay McLaren | Dale "DJ" Jakes | 38 |
| Jamie Gray Hyder | Lucia Solano | 13 |
| Rhys Coiro | Ari Adamian | 11 |
| Pedro Pascal | Juan Badillo | 10 |
| Brit Morgan | Amber | 10 |
| Gbenga Akinnagbe | Jeremiah Bello | 8 |
| Carmine Giovinazzo | Sid Markham | 8 |
| Jenn Proske | Abby | 6 |
| Lawrence Gilliard Jr. | Sean Logan | 5 |
| Jon Sklaroff | Fritz Sulla | 5 |
| Tom Schanley | Cash Windgate | 5 |
| Brianna Brown | Kelly Badillo | 4 |
| Hal Ozsan | Germaine Marsden | 4 |
| Nestor Serrano | Carlos Solano, Sr. | 4 |
| Roger Floyd | Gene Windgate | 4 |
| Peter Stormare | Martun Sarkissian | 3 |
| Scottie Thompson | Lauren Kincaid | 3 |
| Deniz Akdeniz | Wayne 'Bates' Zelanski | 3 |
| Christopher Redman | Whistler | 3 |
| Chris Browning | Billy | 2 |
| Clayne Crawford | Donnie Banks | 2 |
| Evan Jones | Colby Moore | 2 |
| Vincent Laresca | Rafael 'Jangles' Cortes | 2 |
| Russ Bain | Germaine Marsden | 1 |
| Courtney B. Vance | Sam Campbell | 1 |
| Ivo Nandi | Semion Mogilevich | 1 |
| Mark Adair-Rios | Felix Arroyo | 1 |
| Nickolas Wolf | Soccer Kid (uncredited) | 1 |
| Annie Ilonzeh | Courtney | 1 |