Shark: The Beginning — Characters & Cast

To conquer his paralyzing fear, survive prison, and protect his future from relentless torment.

Transforms from a terrified, traumatized victim into a disciplined, resilient martial artist who overcomes his fear and refuses to be broken.

To impart discipline and combat mastery to prevent Woo-sol from being consumed by despair.

A former champion enduring a life sentence who finds purpose and redemption by passing on his martial philosophy and guiding Woo-sol.

To exact absolute revenge and break Cha Woo-sol's spirit completely.

A ruthless school bully whose physical maiming deepens his sadism, transforming him into an obsessive, vengeful antagonist.

To maintain dominance and enforce authority within the juvenile prison hierarchy.

An influential prison faction leader who challenges Woo-sol, eventually being bested as Woo-sol ascends the prison hierarchy.

To survive his prison sentence with loyalty and dignity intact.

A fellow inmate who aligns with Woo-sol, providing consistent camaraderie and support inside the prison.