| Name | Character | Episodes |
|---|---|---|
| Jason Momoa | Frankie Seau | 20 |
| James Remar | Vincent Colville | 20 |
| Amanda Righetti | Tessa Lewis | 20 |
| Kristoffer Polaha | Jason Matthews | 20 |
| Brooke Burns | Nicole Booth | 20 |
| Nikki DeLoach | Mary Jeanne "M.J." Bevans | 20 |
| Corey Sevier | Gabriel McKay | 20 |
| Jay Kenneth Johnson | Chris Remsen | 20 |
| Chyler Leigh | Kate Spangler | 1 |
| Christopher McDonald | 1 | |
| Dylan Bruno | 1 | |
| Brennan Elliott | 1 | |
| Michael Ontkean | 1 | |
| Elena Lyons | 1 | |
| Chris William Martin | 1 | |
| Mark McGrath | 1 | |
| Josh Hopkins | 1 | |
| Juliette Marquis | Natalia Ross | 1 |
| Chris Taloa | Junior | 1 |