A Werewolf Boy — Characters & Cast

To earn Sun-yi's affection, protect her from every physical threat, and loyally obey her final command to wait for her return.

Transforms from a mute, terrified feral creature driven strictly by survival into an affectionate, domesticated young man capable of profound loyalty and heartbreaking self-restraint.

To survive her illness, protect Cheol-soo from societal hostility, and eventually confront her lingering guilt decades later.

Begins as an isolated, bitter teenage invalid who discovers empathy through nurturing Cheol-soo, only to be forced to abandon him, spending the rest of her life carrying the melancholic ghost of their youth.

To possess Sun-yi by force and assert dominance over the land and anyone he deems beneath his wealthy status.

Deconstructs into an increasingly unhinged, violent sociopath whose wounded vanity and sexual entitlement drive him to manipulate the law and attempt to destroy Cheol-soo.

To heal her ailing daughter and create a warm, secure home for her family against economic hardships.

Provides the emotional backbone of the household, willingly expanding her maternal care to encompass an unregistered, beastly orphan despite social whispers.