When Police kicks open the doors of the elite underground fight club Knuckledust, they find seven levels of hell, filled with the dead bodies of countless fighters, assassins and goons. Only one man, beaten up to a pulp, is still breathing: Hard Eight.
| Actor | Role |
|---|---|
 Moe DunfordHard Eight | Hard Eight |
 Kate DickieKeaton | Keaton |
 Gethin AnthonyJeremiah | Jeremiah |
 Sébastien FoucanTick Tock | Tick Tock |
 Chris Patrick-SimpsonNot Now Nigel | Not Now Nigel |
 Guillaume DelaunayTombstone | Tombstone |
 Alex FernsMajor Vaughn | Major Vaughn |
| DDave BibbyHooper | Hooper |
 James KermackMaccready | Maccready |
 Amy BaileyChrissy | Chrissy |
 Olivier RichtersRawbone | Rawbone |
 Rohan GurbaxaniRequin | Requin |
| MMatthew StathersHot Lips | Hot Lips |
 Christy O'DonnellPrivate Bench | Private Bench |
 Phil DavisHappy | Happy |
 Jaime WinstoneRedmond | Redmond |
 Camille RoweSerena | Serena |
 Yolanda LynesAlly Maxwell | Ally Maxwell |
 David SchaalFather Arkancide | Father Arkancide |
| LLee ByfordElite Club Security | Elite Club Security |
| JJason BeestonThe Butch / S&M Goon | The Butch / S&M Goon |
| JJamie McKieJack | Jack |
 David FaureSOCO Partridge | SOCO Partridge |
 Jess MayoGary | Gary |