Children of Nobody
- Title: 붉은 달 푸른 해 / Bulgeun Dal Pureun Hae
- Also known as: Red Moon Blue Sun
- Genre: Drama, mystery, thriller
- Episodes: 32
- Broadcast network: MBC
- Broadcast period: 2018-Nov-21 to 2019-???-???
- Air time: Wednesday & Thursday 22:00 (2 episodes back-to-back)
- Original Soundtrack: Children of Nobody OST
Cha Woo Kyung (Kim Sun Ah), works as a children's counselor in a children's center. She has it all, her life is perfect. She enjoys her job, she is married to a gentle and caring husband and is pregnant with her second child. It all changes when suddenly an accident changes her life. From that point forward she will have to face several incidents and end up discovering the truth.
Meanwhile, Kang Ji Hun (Lee Yi Kyung), works as a detective. He firmly believes that criminals should be punished by law. He suffers a lot because of a traumatic past that he doesn't want to talk about.
- Main Cast
- Woo Kyung's family
- Na Young Hee as Heo Jin Ok (Woo Kyung's mother)
- Oh Hye Won (오혜원) as Cha Se Kyung (Woo Kyung's younger sister)
- Chae Yoo Ri as child Cha Se Kyung
- Kim Young Jae as Kim Min Suk (Woo Kyung's husband)
- Joo Ye Rim (주예림) as Kim Eun Seo (Woo Kyung and Min Suk's daughter)
- People around Ji Hun
- Supporting Cast
- Kim Bup Rae as Song Ho Min
- Kim Kang Hoon as Han Shi Wan
- Kang Mal Geum (강말금) as Shi Wan's mother
- Joo Suk Tae as Yoon Tae Joo
- ??? as Song Jae Hak
- Lee Hwa Ryong
- Ha Joo Hee as Park Ji Hye
- Production Company: Mega Monster
- Executive Producer: Lee Jun Ho (이준호), Kim Yong Jin (김용진)
- Chief Producer: Son Hyung Suk
- Producer: Kim Ho Young (김호영)
- Director: Choi Jung Kyu
- Screenwriter: Do Hyun Jung
- 2018 37th MBC Drama Awards: Top Excellence Award for an Actress in a Wednesday-Thursday Drama (Kim Sun Ah)
- The male lead was offered to actor Lee Joon Hyuk, but he declined the role.
- Each night's broadcast is divided into two 35 minute episodes with a commercial break in between.