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Circle (써클: 이어진 두 세계; Sseokeul: i-eojin du segye; lit. Circle: Two Worlds Connected) is a 2017 South Korean science fiction television series starring Yeo Jin Goo, Kim Kang Woo, Gong Seung Yeon, and Lee Gi Kwang. The series features two parallel plots set in the years 2017 and 2037, both centered on a twin brothers' struggle with the discovery and development of an advanced alien technology that could either be a boon or bane for the entire humanity.
It aired on tvN for 12 episodes at 23:00 KST on Mondays and Tuesdays from May 22 to June 27, 2017.
Synopsis[]
Taking place in both the present year 2017 and in the year 2037, when people believe that their future depends on humans controlling and regulating their emotions, this drama is a sci-fi mystery. When alien visitors arrive on Earth, humans learn new skills from them and take advantage of them; what ensues is a story of alliance, resistance, and love.[1]
Cast[]
- Yeo Jin Goo as Kim Woo Jin
- Jung Ji Hoon as young Kim Woo Jin
- A 21-year-old second-year university student in the Department of Neuroscience at Handam University of Science and Technology in the year 2017; Beom Gyun/Joon Hyuk's younger twin brother and son of Dr. Kim Kyu Chul. In his younger years, Woo Jin was an enthusiast about UFOs and extraterrestrial life. He witnessed (with Beom Gyun and Dr. Kim) the arrival on Earth of a female humanoid alien, which he names "Byul." His passion faded when his father left with Byul and never came back. In 2017, he meets Byul (now Han Jung Yeon) once again and together they investigate the serial suicides in the university, with the help of Detective Hong Jin Hong. In latter parts of the series, Woo Jin is cloned and named "Circulate 3".
- Kim Kang Woo as Kim Joon Hyuk / Kim Beom Gyun
- Kim Ye Joon as young Kim Beom Gyun
- A 41-year-old violent crimes detective from Normal Earth in the year 2037; Woo Jin's elder twin brother and son of Dr. Kim Kyu Chul. Joon Hyuk enters Smart Earth to investigate cases happening within the supposedly "crime-free" city, with the help of Detective Hong Jin Hong and the alien hacker Jung Yeon a.k.a. Bluebird. Thirty years before, in 2007 (Beta Project), he was an aspiring pâtissier who had no interest in UFOs or aliens. But after being abandoned by their father, he became preoccupied with aliens and kept on hunting down Byul, whom he thinks had abducted their father. In 2017, he investigated the series of suicide in Handam University of Science and Technology which he thought was brought about by aliens. He loses his memories later on; Detective Hong gives him his new name "Joon Hyuk" and makes him enter the police force.
- Gong Seung Yeon as Han Jung Yeon
- A humanoid extraterrestrial being whose arrival on Earth was witnessed by the Kim twins and their father. During her arrival in 2007, Byul appeared naked to the Kims and was also mute, having no knowledge of any human language. She becomes close to Woo Jin, who gave her the name "Byul," and she steadily learns how to speak Korean. She is a semi-immortal being, i.e. she never ages and will look the same as long as she lives. She had brought with her an advanced form of alien technology that can record, and even lock, memories and convert them into video. She was taken advantage for scientific research by the twins' neuroscientist father and was separated from the twins since then. She lost her memories a year later and is adopted by Professor Han Yong Woo who named her Han Jung Yeon. She began studying computer science in Handam University of Science and Technology. She became classmates with Woo Jin in 2017, and together they investigate a series of suicides in the university. In 2037, she becomes a hacker under the codename Bluebird, based from Maurice Maeterlinck's L'oiseau bleu.
- Lee Gi Kwang as Lee Ho Soo
- An intelligent 26-year-old government employee in Smart Earth in the year 2037. Ho Soo is unbelieving at first on the possibility of criminality in Smart Earth and would side with the government. He is tasked to keep watch on Joon Hyuk who is investigating cases in the "crime-free" city. Upon learning the truth from Joon Hyuk, he becomes confused, but later on he sides with Joon Hyuk and Bluebird to take down the unjust powers controlling Smart Earth.
- Ahn Woo Yeon as Kim Beom Gyun
- Seo Hyun Chul as Hong Jin Hong
- Han Sang Jin as Park Dong Geon
- Song Young Kyu as Han Yong Woo
- Jung In Sun as Park Min Young
- Kim Joong Ki as Kim Gyu Chul
- Shin Joo Hwan as Senior Lee
- Kim Min Kyung as Doctor Park Min Young
- Kwon Hyuk Soo as Detective Oh
- Min Sung Wook as Lee Hyun Seok
- Nam Myung Ryul as Yoon Hak Joo
- Yoo Young as Secretary Shin
- Jung Joon Won as Lee Dong Soo
- Oh Eui Shik as adult Lee Dong Soo
- Choi Ji Hun as Kim Min Ji
- Choi Sung Jae as a control tower manager
- Jang Ji Woo as a security guard
- Jung Suk Won as Director Nam
- Lim Jung Min as an English speaking Ph.D. in Biotechnology
- Shin Dam Soo as Detective Choi
- Lee Seung Joon as Gong Min Woo
- Moon Tae Soo as Director Goo of the Security Department
Soundtrack[]
Episodes[]
In this table, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
| Episode | Aired | Average audience share | ||
|---|---|---|---|---|
| AGB Nielsen | TNmS | |||
| Nationwide | Seoul | Nationwide | ||
| Episode 01 | May 22, 2017 | 2.883% | 3.771% | 2.7% |
| Episode 02 | May 23, 2017 | 2.337% | 3.116% | 2.1% |
| Episode 03 | May 29, 2017 | 2.133% | 2.646% | 2.2% |
| Episode 04 | May 30, 2017 | 2.250% | 2.735% | 2.3% |
| Episode 05 | June 5, 2017 | 1.702% | 2.104% | 2.0% |
| Episode 06 | June 6, 2017 | 2.188% | 2.688% | 2.6% |
| Episode 07 | June 12, 2017 | 2.053% | 2.309% | 2.0% |
| Episode 08 | June 13, 2017 | 1.866% | 1.972% | 2.2% |
| Episode 09 | June 19, 2017 | 1.587% | 1.986% | 2.1% |
| Episode 10 | June 20, 2017 | 1.820% | 2.175% | 2.0% |
| Episode 11 | June 26, 2017 | 2.160% | 2.812% | 1.9% |
| Episode 12 | June 27, 2017 | 2.455% | 2.776% | 2.2% |
| Average | 2.125% | 2.591% | 2.2% | |
This drama airs on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC, and EBS).
International broadcast[]
- Malaysia - 8TV
- Indonesia - Sony One
- Southeast Asia - tvN Asia
- Philippines - Viu PH
- Japan - Fuji TV Two
Production[]
First script reading took place on March 15, 2017 at CJ E&M Center in Sangamdong, Seoul, South Korea.
Trivia[]
- This drama took over the timeslot previously occupied by The Liar and His Lover and was followed by The Bride of Habaek on July 3, 2017.[2]
Gallery[]
Video Gallery[]
