The Flu — Characters & Cast

Protecting Mi-reu and ensuring the survival of those around him.

Evolves from an easygoing rescue worker into an unwavering protector who risks his life against soldiers and infected mobs.

Ensuring the survival of her daughter, Mi-reu, and securing an effective vaccine.

Shifts from an aloof, professional epidemiologist into a desperate mother willing to break protocol to save her child.

Staying reunited with her mother and surviving the illness.

From a vulnerable young child caught in a catastrophe to the ultimate biological and emotional symbol that halts a massacre.

Self-preservation at all costs, regardless of innocent casualties.

A former military man who abandons civic solidarity, exploiting mass paranoia and violence to force his own survival.

Upholding constitutional duty to protect South Korean citizens.

Transitions from a constrained leader navigating bureaucratic inertia into a decisive defender of national sovereignty and civilian lives.