 Tom HiddlestonCaptain James Conrad | Captain James Conrad |
 Samuel L. JacksonLieutenant Colonel Preston Packard | Lieutenant Colonel Preston Packard |
 John GoodmanBill Randa | Bill Randa |
 Brie LarsonMason Weaver | Mason Weaver |
 Jing TianSan Lin | San Lin |
 Toby KebbellMaj. Jack Chapman / Kong Mo-Cap Services | Maj. Jack Chapman / Kong Mo-Cap Services |
 John OrtizVictor Nieves | Victor Nieves |
 Corey HawkinsHouston Brooks | Houston Brooks |
 Jason MitchellGlenn Mills | Glenn Mills |
 Shea WhighamEarl Cole | Earl Cole |
 Thomas MannReg Slivko | Reg Slivko |
 Terry NotaryKong Mo-Cap Services | Kong Mo-Cap Services |
 John C. ReillyHank Marlow | Hank Marlow |
 Marc Evan JacksonSteve Woodward | Steve Woodward |
 Eugene CorderoReles | Reles |
 MIYAVIGunpei Ikari | Gunpei Ikari |
 Will BrittainYoung Marlow / Marlow's Son | Young Marlow / Marlow's Son |
 Richard JenkinsSenator Al Willis | Senator Al Willis |
 Allyn RachelSecretary O'Brien | Secretary O'Brien |
 Robert TaylorAthena Captain | Athena Captain |
 James M. ConnorGeneral Ward (voice) | General Ward (voice) |
 Thomas MiddleditchJerry (voice) | Jerry (voice) |
 Brady NovakBase Guard | Base Guard |
 Peter KarinenChinook Pilot | Chinook Pilot |
 Brian SaccaChinook Co-Pilot | Chinook Co-Pilot |
 Joshua FunkSeismic Soldier | Seismic Soldier |
| DDaniel F. MaloneBoat Captain | Boat Captain |
| GGlenn Kiwi HallBoat Captain | Boat Captain |
 Garreth HadfieldCrew Chief | Crew Chief |
 Shannon BrimelowKamikaze Pilot | Kamikaze Pilot |
