| Cast overview, first billed only: | |||
| Jet Li | ... | Gabe Law / Gabriel Yulaw / Lawless | |
| Carla Gugino | ... | T.K. Law / Massie Walsh | |
| Delroy Lindo | ... | MVA Agent Harry Roedecker / Gas Station Attendant | |
| Jason Statham | ... | MVA Agent Evan Funsch | |
| James Morrison | ... | LAPD Officer Bobby Aldrich / 'A' World Inmate #1 | |
| Dylan Bruno | ... | Yates | |
| Richard Steinmetz | ... | D'Antoni | |
| Steve Rankin | ... | MVA Supervisor | |
| Tucker Smallwood | ... | Prison Warden | |
| Harriet Sansom Harris | ... | Nurse Besson | |
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David Keats | ... | MRI Technician |
| Dean Norris | ... | Sgt. Siegel | |
| Ron Zimmerman | ... | Rotten Ronnie | |
| Darin Morgan | ... | Hugo | |
| Mark Borchardt | ... | Cesar | |
There is not one universe, but there are many, which is a multiverse. Supposing you are just one person, there are many other versions of you in the other universes, there are ways to travel, but only a police agency, MVA, can travel only for police procedures. Gabriel Yulaw is a former MVA agent, who killed another version of himself in self-defense. It made the other versions of him stronger. When Yulaw found out about this, he became power-hungry killing the 122 other versions for two years. After killing Lawless and getting captured by his former partner Roedecker and a new MVA agent Funsch, Yulaw managed to escape the prison and is trying to kill his last target, Gabe Law who is a police officer. He is also at Yulaw's strength. Roedecker and Funsch now have to arrest Yulaw before he can kill Gabe. There is a possibility that the universe could die or make Yulaw invincible. After encountering Yulaw for the first time, Gabe thought that it was his split personality, but it wasn't. ... Written by Zero 88
Jet Li and Jet Li star in this goofy sci-fi flick about a power-hungry sociopath Yulaw (Jet Li) who goes dimension-hopping on a killing spree focused on his alternate universe counterparts. As Yulaw finally comes to what I must assume is our universe to kill the last remaining version of himself - Gabriel Law - both his and his counterpart's strength, intelligence and agility have been increased to superhuman levels by the deaths (quickenings?) of previous counterparts. Predictably, the pace is furious and deadly. Many people are caught up in the violence of the ensuing battle, and , of course, since the honest, hard-working and altogether decent Gabe Law appears to be responsible for all of it, he becomes a wanted fugitive. Besides being pursued by this earth's police, both men are also sought by an inter-dimensional police force seeking to imprison Yulaw on a far-off prison planet.
Gabe Law is a likable character who works as a prison guard and has a loving wife. The few minutes of character development permitted by the furious pace of this film are what makes it work. And although the plot seems a bit like a pastiche of recent sci-fi clichés, at least the combination of clichés assembled for The One is original.
Recommended for sci-fi action and martial arts fans.