Season Four
| Harold Perrineau ... Boyd Stevens |
| Catalina Sandino Moreno ... Tabitha Matthews |
| Eion Bailey ... Jim Matthews |
| David Alpay ... Jade Herrera |
| Elizabeth Saunders ... Donna Raines |
| Scott McCord ... Victor Kavanaugh |
| Ricky He ... Kenny Liu |
| Chloe Van Landschoot ... Kristi Miller |
| Pegah Ghafoori ... Fatima Hassan |
| Corteon Moore ... Ellis Stevens |
| Avery Konrad ... Sara Myers |
| Hannah Cheramy ... Julie Matthews |
| Simon Webster ... Ethan Matthews |
| Elizabeth Moy ... Tian-Chen Liu |
| Deborah Grover ... Tillie |
| Kaelen Ohm ... Marielle Sinclair |
| AJ Simmons ... Randall Kirkland |
| Nathan D. Simmons ... Elgin Williams |
| Robert Joy ... Henry Kavanaugh |
