| ARCAM Guard 2 | J.D. Hawkins | |
| Yu Ominae (voice) (as Christopher Patton) | Chris Patton | |
| Colonel MacDougall (voice) | Kevin Corn | |
| Dr. Meisel (voice) | Ted Pfister | |
| Jean-Jacques Mondo (voice) | Andy McAvin | |
| Margaret (voice) | Kelly Manison | |
| Fattman (voice) | Mike Kleinhenz | |
| Little Boy (voice) | Spike Spencer | |
| Yamamoto (voice) | John Paul Shephard | |
| Mr. Smith (voice) | John Swasey | |
| ARCAM Explorer Additional Voices (voice: English version) | C. Markham Anderson | |
| COSMOS Yu (voice: English version) | Ross Bautsch | |
| Additional Voices (voice: English version) | Bob Biggerstaff | |
| Additional Voices (voice) | Victor Carsrud | |
| Additional Voices (voice: English version) | Kevin Charles | |
| Additional Voices (voice) | 杰森·道格拉斯
 | |
| Additional Voices (voice) | Jennifer K. Earhart | |
| Pentagon Black Ops ARCAM Explorer (voice: English version) | Ralph Ehntholt | |
| Pentagon Black Ops Additional Voices (voice: English version) | Bob Elliot | |
| Additional Voices (voice: English version) | Foley Gang | |
| Additional Voices (voice) | 蒂凡尼·格兰特 | |
