| Oyuncu | Rol |
| Derek Luke | Cameron Boone (12 episodes, 2009) |
| Anastasia Griffith | Nancy Carnahan (12 episodes, 2009) |
| Aimee Garcia | Marisa Benez / ... (12 episodes, 2009) |
| Kevin Rankin | Tyler Briggs / ... (12 episodes, 2009) |
| Jamey Sheridan | Dr. Joseph Saviano / ... (12 episodes, 2009) |
| Cliff Curtis | Reuben Palchuck / ... (12 episodes, 2009) |
| Carl Marino | Karl Sly / ... (12 episodes, 2009) |
| Taylor Kinney | Glenn Morrison / ... (11 episodes, 2009) |
| Scottie Thompson | Diana Van Dine (11 episodes, 2009) |
| Karl Antony | ER Nurse / ... (10 episodes, 2009) |
| Cynthia Lea Clark | Nurse Slaughter (10 episodes, 2009) |
| Raul Bustamante | EMT / ... (8 episodes, 2009) |
| Ryan Michelle Bathe | Sela Boone (7 episodes, 2009) |
| Stu Chase | Nurse Stempler (7 episodes, 2009) |
| Christopher Greene | Dr. Ludden (7 episodes, 2009) |
