Moon Chae-won

Role: Radio Host

A late-night radio talk show host who has built her career on emotional honesty and her listeners' secrets begins receiving calls from someone who knows things …

Role: Oh Soo-hyun

A cold case detective and a forensic psychologist are brought together by a series of murders that mirror a case from their shared traumatic past, forcing them …

Role: Cha Ji-won

A detective discovers her seemingly perfect husband may be hiding a dark past connected to serial murders.

Role: Cha Yoon-seo

Park Si-on is a surgical resident with autism and savant syndrome — an extraordinary visual memory and surgical instinct that should make him a brilliant doctor…

Role: Seo Eun-ki

A medical student takes the fall for his first love's crime, destroying his future — then re-enters her life years later to take revenge, but falls for a kind, …

Role: Lee Se-ryung

In Joseon's turbulent political succession, the son of a loyal minister and the daughter of the usurping Prince Suyang fall desperately in love — but their fath…

Role: Park Jung-ah

After her family is destroyed by a scheming stepmother — her father dies, her fortune disappears, her intellectually disabled brother goes missing — a resilient…