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.
You can now watch Knuckledust online on the following streaming providers in the United States.
| Costume & Make-Up | Cynthia Lawrence-John | Costume Design |
| Costume & Make-Up | Sophie Coppola | Makeup & Hair |
| Crew | Jason Beeston | Stunts |
| Crew | Neil Chapelhow | Stunt Double |
| Crew | Lucy-Jayne Murray | Stunts |
| Production | Tom Harberd | Associate Producer |
| Production | Walter Mair | Executive Producer |
| Art | Freya Espie | Set Decoration |
| Production | Laurent Fumeron | Producer |
| Production | Ron Bradley | Executive Producer |
| Costume & Make-Up | Katie King | Makeup Designer |
| Sound | Adrian Furdui | ADR Editor |
| Sound | Simon Norman | Sound Mixer |
| Crew | Toby Stewart | Special Effects Coordinator |
| Production | Julien Loeffler | Producer |
| Crew | Elaine Ford | Stunts |
| Directing | James Kermack | Director |
| Sound | Nick Baldock | Supervising Sound Editor |
| Production | Peter Fraser | Line Producer |
| Costume & Make-Up | Billie Jade Kermack | Makeup Artist |
| Sound | Art Skehan | ADR Recordist |
| Crew | Renars Latkovskis | Stunts |
| Production | Reinhard Besser | Executive Producer |
| Directing | Chris Malin | First Assistant Director |
| Crew | Rubie Planson | Stunts |
| Sound | Walter Mair | Original Music Composer |
| Crew | Al Holland | Stunts |
| Production | Sharunya Varriale | Executive Producer |
| Costume & Make-Up | Lucy Clements | Makeup Artist |
| Sound | Mark Andrews | Sound Mixer |
| Crew | Miguel Ángel Luque | Stunts |
| Crew | Peter Pedrero | Stunt Coordinator |
| Writing | James Kermack | Writer |
| Production | Matthew Bradley | Executive Producer |
| Production | Nils Rebehn | Executive Producer |
| Camera | Pat Aldinger | Director of Photography |
| Editing | Chris Gill | Editor |
| Art | Samuel Otis Smith | Art Direction |
| Production | Emilie Robert | Executive Producer |
| Editing | Natasha Wilkinson | Editor |
| Crew | Darin Elie | Stunt Double |
| Art | Anna Papa | Production Design |
| Editing | Max Horton | Colorist |
| Production | Phil Hunt | Executive Producer |
| Sound | Thomas Holroyd | Sound Effects Editor |
| Sound | Rory Smith | Boom Operator |
| Crew | Donovan Louie | Stunts |
| Production | Compton Ross | Executive Producer |
| Crew | Shean Caisley | Stunts |
| Production | Daniel Goroshko | Producer |
| Production | James Barton-Steel | Executive Producer |
| Crew | Elizabeth Donker Curtius | Stunt Double |