Undisputed II: Last Man Standing

A formidable fighter whose deadly technique dominates the prison's underground bouts. He commands respect through relentless training, a ruthless precision in kicks, throws, and grappling, and a willingness to intimidate opponents. He becomes a central figure in the plot, orchestrating the ring and seeking a rematch to prove himself.

A former boxing champion who is framed and sent to the prison to face Boyka. His journey centers on endurance, adaptability, and a resolve to win his freedom through a final, decisive fight. The fight becomes a catalyst for redemption and personal restitution.

A British junkie who shares the brutal realities of life behind bars with Chambers and becomes morally entangled in the plot. He is coerced into actions that backfire, and his later realization about the truth catalyzes tragedy within the prison.

A ruthless mob boss who controls the prison fights, coordinating corruption and manipulation to profit from the bouts. His schemes extend to drugging prisoners and orchestrating betrayals that destabilize the system and threaten those who stand against him.

The prison authority who enables a brutal hierarchy where matches are a tool for control. He exercises power with a cold, calculating approach, enforcing the system that permits theft, coercion, and violence within the walls.

A former soldier in a wheelchair who mentors Chambers, teaching him advanced grappling and a broader understanding of mixed martial arts. His backstory of sacrificing for family adds emotional weight to the training and motivates Chambers to improve.

Chambers' talent agent who is revealed to have played a part in the setup that frames him. His involvement underscores the extent of the betrayal and corruption surrounding the match; his downfall comes when the truth surfaces, and he meets a grim fate at the hands of the mob.