Beyond Evil — Characters & Cast

Finding his twin sister’s body and bringing every complicit person to justice.

Traumatized for twenty years as both a grieving brother and primary suspect, Dong-sik acts like an unpredictable "nutcase" masking immense grief. He moves from reckless, solitary vigilante tactics to trusting Joo-won, ultimately uncovering the full truth, accepting prison time for his own illegal acts, and regaining a genuine smile.

Catching the serial killer to prove himself, which evolves into an unyielding quest for absolute truth regardless of personal cost.

An arrogant, germaphobic stickler for protocol who views small-town officers with condescension. After carrying intense guilt over a failed sting operation and discovering his father's involvement in the crime, he discards his cold elitism, learns moral flexibility, and risks his career to bring down his own father.

Escaping the suffocating guilt of his repressed memories.

Dong-sik's childhood friend and fellow police officer who suffers from severe amnesia regarding the night Yu-yeon disappeared. Controlled by his overbearing mother, he eventually breaks free from her manipulation, recalls his role in the accident, and willingly confesses.

Finding her mother's body and reclaiming her life.

Runs the local butcher shop while quietly waiting ten years for her missing mother. She evolves from a stoic, defensive outsider into a resilient ally of Dong-sik and Joo-won.

Absolute political power and total self-preservation.

Joo-won’s father and incoming Police Commissioner who maintains a pristine public image while callously orchestrating hit-and-run cover-ups and political murders. He remains unrepentant until his downfall.