Doctor Stranger — Characters & Cast

Rescuing Song Jae-hee, fulfilling his father's dying wish to be a "true doctor," and surviving geopolitical traps.

Starts as an innocent child forced into North Korea, turns into a hardened surgical instrument in prison lab facilities, defects, and matures into an uncompromising physician who values life above political ideology.

Ensuring Hoon's survival at the cost of her own identity and freedom.

Transforms from Hoon’s childhood sweetheart into a North Korean undercover operative navigating lethal political schemes in South Korea to protect Hoon.

Destroying Myungwoo Hospital from within to avenge his parents' ruined lives.

A brilliant cardiothoracic chief hiding his identity as the son of a medical malpractice victim; softens through his surgical duels with Hoon and his genuine love for Soo-hyun.

Gaining institutional and familial respect while reconciling her romantic feelings for Hoon and Jae-joon.

The illegitimate daughter of the hospital chairman; overcomes imposter syndrome under Hoon's mentorship, developing medical confidence and independent moral agency.

Consolidating personal political power at any human cost.

Manipulates international relations and hospital hierarchies to orchestrate a coup and attain the ultimate seat of executive power.