SIS Chief

"Wake up MI5 and notify them that we have an imminent threat."

- Telling MI6 to notify M15

The SIS Chief is the leader of the MI6 intelligence. He is heard in the game Call of Duty: Modern Warfare 3.

He is heard in the cutscene, "Mind the Gap", telling the MI6 to alert the MI5 Director to inform them of the immediate threat.