In a future where a failed global-warming experiment kills off most life on the planet, a class system evolves aboard the Snowpiercer; a train that travels around the globe via a perpetual-motion engine.
| Actor | Role |
|---|---|
 Chris EvansCurtis | Curtis |
 Song Kang-hoNamgoong Minsu | Namgoong Minsu |
 Ed HarrisWilford | Wilford |
 John HurtGilliam | Gilliam |
 Tilda SwintonMason | Mason |
 Jamie BellEdgar | Edgar |
 Octavia SpencerTanya | Tanya |
 Ewen BremnerAndrew | Andrew |
 Ko AsungYona | Yona |
 Alison PillTeacher | Teacher |
 Luke PasqualinoGrey | Grey |
 Vlad IvanovFranco The Elder | Franco The Elder |
 Adnan HaskovićFranco The Younger | Franco The Younger |
 Emma LevieClaude | Claude |
 Steve ParkFuyu | Fuyu |
 Clark MiddletonPainter | Painter |
 Marcanthonee ReisTim | Tim |
 Paul LazarPaul | Paul |
 Tómas LemarquisEgg-Head | Egg-Head |
 Kenny DoughtyNews Reporter | News Reporter |
| RRobert RussellGerald | Gerald |
| MMagda WeigertováDoris | Doris |
 Jim HighSoldier 1 | Soldier 1 |
 Peter HallinSoldier 2 | Soldier 2 |
 Haruna HoncoopFemale Officer | Female Officer |
| AAna BraunYlfa | Ylfa |
| GGriffin SeymourBoy | Boy |
| TTyler John WilliamsYoung Wilford | Young Wilford |
| LLuna Sophia Bar-CohenMagdalena | Magdalena |
 Sean Connor RenwickSergio | Sergio |