| Special Agent Carter Hope |
1 |
5 |
| Special Agent Cheryl Carrera |
1 |
1 |
| Special Agent Christopher Lasalle |
3 |
10 |
| Special Agent Claire Denham |
1 |
1 |
| Special Agent Clark |
1 |
1 |
| Special Agent Clyde Tolson |
1 |
1 |
| Special Agent Colin McNeal |
1 |
1 |
| Special Agent Dan Erickson |
2 |
2 |
| Special Agent Dana Scully / Herself |
1 |
1 |
| Special Agent Dave Flynn |
1 |
1 |
| Special Agent Davis |
1 |
1 |
| Special Agent Deborah Lane, Army CID |
1 |
1 |
| Special Agent Demetri Noh |
1 |
1 |
| Special Agent Diane "Dee" Zulkarnain |
1 |
2 |
| Special Agent Dominic "Dom" Vail |
2 |
2 |
| Special Agent Donald "Don" Self |
1 |
3 |
| Special Agent Durwell |
1 |
1 |
| Special Agent E.J. Barrett |
1 |
1 |
| Special Agent Edgar Reade |
2 |
2 |
| Special Agent Edward Scott |
1 |
1 |
| Special Agent Elanor Bishop |
1 |
1 |
| Special Agent Eleanor Bishop |
2 |
4 |
| Special Agent Elijah Mundo |
1 |
1 |
| Special Agent Emily Lehman |
1 |
2 |
| Special Agent Eunice Bloom |
1 |
2 |
| Special Agent Fatima Namazi |
2 |
3 |
| Special Agent Ferguson |
1 |
1 |
| Special Agent Ford |
1 |
1 |
| Special Agent Frank Rogers |
1 |
2 |
| Special Agent Gerald Lynch |
1 |
1 |
| Special Agent Gordon McNeill |
1 |
2 |
| Special Agent Gregg James |
1 |
1 |
| Special Agent Hale |
1 |
1 |
| Special Agent Hannah Wells |
2 |
4 |
| Special Agent Harry Shannon |
1 |
1 |
| Special Agent Huggins |
1 |
1 |
| Special Agent Ian Edgerton |
1 |
2 |
| Special Agent Jack Willis |
1 |
3 |
| Special Agent James Blasingame |
1 |
1 |
| Special Agent James Hamner |
1 |
1 |
| Special Agent James Madden |
1 |
1 |
| Special Agent Jane Melankovic |
1 |
1 |
| Special Agent Jeff Foreman |
1 |
1 |
| Special Agent Jeremy Reins |
1 |
1 |
| Special Agent Jerry Dove |
1 |
1 |
| Special Agent Jess Harkins |
1 |
2 |
| Special Agent Jess Mastriani |
1 |
2 |
| Special Agent John Bowen |
1 |
1 |
| Special Agent John Royce |
1 |
4 |
| Special Agent Jordan |
1 |
2 |