Ruthless assassin and Ethan's former associate, now serving the Entity's agenda.
Their pursuit forms the film's central human conflict.
Ethan continues pursuing Gabriel, who captures him, steals the Poison Pill, and later faces him during the biplane chase.
Gabriel previously held authority over Paris within his operations.
Paris is explicitly described as Gabriel's former lieutenant.
Gabriel's attack directly causes Luther's final sacrifice.
Gabriel steals the Poison Pill and traps Luther with a time bomb, causing Luther to sacrifice himself.
They operate on opposing sides of the escalating crisis.
Briggs arrests Ethan while Gabriel attacks the team and later ambushes them at the bunker.
Explore the full interactive character relationship map of Mission: Impossible - The Final Reckoning