
Sung Ki-yoon
Acting
Biography
He is a musical stage, film and drama actor. He attended and graduated from Seoul National University of Arts, Department of Theater, Dongseo University, Department of Musical Arts, and Dankook University Graduate School of Culture and Arts.
Known For

With a genius-level IQ, Woo Young-woo learns to embrace her extraordinary self while forming a tight-knit community of friends and allies.
Extraordinary Attorney Woo

Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
Signal

A grieving woman magically travels through time to 1998, where she meets a man with an uncanny resemblance to her late love.
A Time Called You

A budding love story between a medical student and a nurse takes place in May 1980, during a time of civil unrest and military oppression in Gwangju.
Youth of May

Star-crossed love story between a love fairy and a human girl. For humans and fairies aren’t meant to be, when he accidentally shoots himself and falls in love, their fate takes a wrong turn. The two reconnect after centuries of reincarnation. Where will this story lead?
My Man Is Cupid

While investigating a terroristic threat that goes viral online, Korean authorities discover that a suspect has recently boarded an international flight bound for the United States. When a healthy passenger on the same flight suddenly dies a gruesome death of unknown cause, panic erupts both in-flight and on the ground. With steadily decreasing fuel and international refusals to offer aid, the captain and crew will be forced to take unprecedented emergency measures in an attempt to save the lives of their passengers.
Emergency Declaration

This drama tells the story of a boy who becomes critically injured due to an incident of school violence and his family who seeks the truth and fights for justice in his name.
Beautiful World

One phone call was enough to shatter one's entire world. For unknown actress So Min, everything collapses when a voice phishing scam tears her family apart. She is thrust into the darkest side of technology as her missing mother, father's death, and even the stolen voice of her late mother become weapons in a shocking scheme. With nothing left but the will to take revenge, she turns to deepfake technology as her ultimate weapon, infiltrating a vast and merciless syndicate. Along the way, she encounters Ma Seok Gu, a ruthless boss hungry for power, Jeong Hun, a cop torn between truth and loyalty, and Do Jin, a hacker with a sinister smile. Plunging into a web of betrayal and danger with the fake identities she forges, will she exact vengeance, or will they destroy her?
No Mercy

A group of very different people set sail on an old warship. The passengers include a senator with his son, a newly-wed couple, a mysterious old man, a group of sex workers and a gang of violent criminals. At first the aggressive behaviour of the thugs and their leader is directed at the first class passengers, but then more and more indiscriminately against the rest of those on board. Rape is followed by murder and it’s not long before the first of numerous and increasingly brutal mutinies takes place.
Human, Space, Time and Human

No description available.
Daddy's back

A vigilante known as "Dr. Q" gruesomely executes criminals who escape justice, uploading videos of his killings online. Young cop Bong and his seasoned partner Na investigate while clashing with S.T.F. counterparts Lt. Pyo and tech expert Kang.
This Is Law

The curse of the darkness where the sun does not rise has fallen on the world, and Turandot, who has a cold heart, receives proposals from many men for his beautiful beauty. She comes up with three riddles as a condition for accepting the proposal, and anyone who fails to solve them turns to stone and dies. Calaf, the prince of the Balkan Kingdom, also solves her riddle and proposes... Turandot, a woman who does not believe in true love. Calaf, the only person who can move her heart. What will be the fate of the two?