IRA commander leading terrorist operations in London.
Watkins secretly provides information to O'Donnell's terrorist group.
Ryan deduces that Watkins is the informant and forces him to reveal information during the blackout.
Ryan opposes O'Donnell's terrorist command and prevents his final mission.
Ryan disrupts O'Donnell's London operation and later confronts O'Donnell during the attack on the Ryan residence.
Miller operates within O'Donnell's terrorist command structure until he rejects its final order.
O'Donnell leads the radical IRA splinter cell and permits Miller to travel to the United States for revenge.
Their romantic bond exists inside O'Donnell's terrorist network.
The plot identifies Annette as O'Donnell's lover and states that he allows her to travel with Miller and other operatives.
Holmes is a principal target of O'Donnell's operations.
O'Donnell leads terrorist operations against Holmes and demands that the team return to complete the abduction and ransom mission.
O'Neil is connected to the broader Irish political and militant network surrounding O'Donnell.
O'Neil is approached for information about IRA involvement, refuses to betray fellow Irishmen, and eventually identifies Annette.
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