Unstoppable — Characters & Cast

To locate and safely rescue his abducted wife Ji-soo at all costs.

Transitions from a placid fishmonger trying to stay out of trouble back into the terrifying "legendary bull" of his past to save his wife.

To survive, protect a fellow captive, and reunite with her husband.

Starts as the practical, grounded spouse managing family finances; becomes an active, courageous fighter who attempts her own escape while in captivity.

To humiliate victims, break human spirits, and profit from human trade.

Remains a callous, arrogant trafficker who delights in exploiting human greed, only to unravel when confronted by raw physical fury.

To support Dong-cheol and ensure his friend's family is reunited.

A loyal junior friend who stumbles through comical misadventures but never abandons Dong-cheol in danger.

To track high-value targets and profit while demonstrating his underworld network skills.

A cunning fixer who joins the investigation for financial gain and professional pride, gradually aligning with Dong-cheol's cause.