Cleanskin

An MI6 field operative assigned to a covert, off‑the‑books mission to neutralize a terrorist cell. He pursues leads with relentless determination, interrogating suspects and using unorthodox methods. As he uncovers higher-level manipulation within his own agency, he becomes fixated on stopping the threat and exposing the truth, even at great personal cost.

A senior SIS official who orchestrates covert operations to protect her position, often at the expense of truth and law. She engineers deaths, manipulates investigators, and manipulates the system to cover tracks. Her ruthlessness is revealed as Ewan confronts her in a countryside mansion and she is killed.

A rookie agent assigned as Ewan's assistant during the covert operation. He is eager but ultimately misguided, taking dangerous steps that put them both at risk. His attempts to eliminate Ewan end in a fatal confrontation.

A radicalized terrorist connected to Nabil's extremist group. He recruits, facilitates violence, and carries out attacks, including using a jacket rigged with Semtex. He clashes with Ewan in a final confrontation and is shot dead.

Ash's former university girlfriend who becomes entangled in his past and his path to radicalization. Their breakup and her infidelity with Nick contribute to Ash's emotional drive. She reappears in the present as a touchstone to Ash's humanity before his final mission.

A Muslim extremist who leads a pro‑Muslim student think tank and recruits Ash. He provides ideological fuel for the plot and tasks Ash with carrying out a high‑profile suicide attack. He is killed when Ewan disrupts the plan.

A terrorist who pays for information and coordinates through the cell. He kills Rena during a confrontation and becomes a target for Ewan. He is killed by Ewan during pursuit.

A sex worker who provides information about Harry and the terrorists. Her vulnerability makes her a key link for Ewan, though she is killed by Paul before she can fully reveal everything.