Yoo Jin-Kook — The Smile Has Left Your Eyes Character Profile

About Yoo Jin-Kook

Yoo Jin-kang's older brother and a homicide detective. He suspects Kim Moo-young is more sinister than he reveals, remaining oblivious to the fact that Moo-young holds the key to both his sister's and Moo-young's intertwined past. His investigations create significant tension in the story.

Character Facts

Played by

Park Sung-woong

Appears in

The Smile Has Left Your Eyes (2018)

Role

Supporting

Relationships (4)

• Yoo Jin-Kook — Family Brother — Yoo Jin-Kang (Jung So-min)

  Protective older brother

• Yoo Jin-Kook — Conflict Antagonist — Kim Moo-Young (Seo In-guk)

  Detective suspects Moo-Young of murder

• Yoo Jin-Kook — Professional Investigation Target — Im Yoo-Ri (Go Min-si)

  Detective investigating Yoo-Ri's case

• Yoo Jin-Kook — Professional Colleague — Baek Seung-Ah (Seo Eun-soo)

  Work relationship at the police station

Explore the full interactive character relationship map of The Smile Has Left Your Eyes

More characters from The Smile Has Left Your Eyes

• Kim Moo-Young (Seo In-guk)
• Yoo Jin-Kang (Jung So-min)
• Baek Seung-Ah (Seo Eun-soo)
• High School Student (Kim Esther)
• Tak So-Jung (Jang Young-nam)
• Eom Cho-Rong (Kwon Soo-hyun)
• Lee Jae Min [Detective] (Han Sa-myeong)
• Im So Yeon [Assistant Manager at Design lux] (Lee Ji-min)
• Im Yoo-Ri (Go Min-si)
• Lee Kyung-Cheol (Choi Byung-mo)
• Jang Se-Ran (Kim Ji-hyun)
• Jang Woo-Sang (Do Sang-woo)