A seasoned detective and criminologist known for solving high-profile cases; he plays a supportive role in this novel, motivating Sampson despite having limited presence in the story.

The authoritative antagonist who leads a conspiracy with the belief that he is saving the country. His charisma earns him the loyalty of many followers.

The former governor of Maine and career politician characterized by his reluctance to assert authority, serving as a foil to General Grissom's more authoritarian tendencies.

A former CIA agent who works alongside Sampson to uncover a conspiracy, her strong-willed nature and intelligence critical to unraveling the mystery. Her motivations are complex, leaving her role as ally or adversary uncertain.

A group consisting of military men led by Deacon on a covert mission, their past and the subsequent targeting of their members serve as key to uncovering the larger conspiracy.

A supporting cast encompassing various loyalists to Grissom’s cause, each carrying out orders in the conspiracy. Notably includes Colonel Kendricks, who demonstrates deep loyalty and contributes to major plot developments.