Circle

Details

 * Title: 써클: 이어진 두 세계 / Sseokeul: Ieojin Du Segye
 * Also known as: Circle: Two Connected Worlds
 * Genre: Science fiction, mystery
 * Episodes: 12
 * Broadcast network: tvN
 * Broadcast period: 2017-May-22 to 2017-Jun-27
 * Air time: Monday & Tuesday 23:00
 * Original Soundtrack: Circle OST

Synopsis
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. --MyDramaList

Part 1: Beta Project

 * Main cast
 * Yeo Jin Goo as Kim Woo Jin (21)
 * Jung Ji Hoon as young Woo Jin
 * Ahn Woo Yeon as Kim Bum Kyoon (21)
 * Kim Ye Joon as young Bum Kyoon
 * Gong Seung Yun as Han Jung Yun (21)
 * Jung In Sun as Park Min Young (21)


 * People around Woo Jin
 * Seo Hyun Chul as Hong Jin Hong (40)
 * Oh Ui Shik as Lee Dong Soo
 * Jung Joon Won as young Dong Soo
 * Shin Dam Soo (신담수) as Detective Choi
 * Kim Joong Ki (김중기) as Kim Gyu Chul


 * Handam University people
 * Song Young Kyu as Han Yong Woo
 * Han Sang Jin as Park Dong Gun
 * Shin Joo Hwan as Sunbae Lee

Part 2: Brave New World

 * Main cast
 * Kim Kang Woo as Kim Joon Hyuk (41)
 * Lee Ki Kwang as Lee Ho Soo (26)


 * General District people
 * Seo Hyun Chul as Hong Jin Hong (60)
 * Oh Ui Shik as Lee Dong Soo (35)
 * Kim Min Kyung as Doctor Park
 * Kwon Hyuk Soo as Detective Oh


 * Smart District people
 * Min Sung Wook as Lee Hyun Suk
 * Nam Myung Ryul as Yoon Hak Joo
 * Yoo Young as Secretary Shin
 * Choi Ji Hun (최지헌) as Kim Min Ji
 * Gong Seung Yun as Bluebird


 * Others
 * Tae Ha (태하) as Soo Bin

Production Credits

 * Production Company: tvN, Studio Dragon, KPJ
 * Production Planner: Lee Myung Han (이명한)
 * Chief Producer: Park Sung Jae (박성재)
 * Producers: Choi Jin Hee (최진희), Jang Jin Wook (장진욱)
 * Director: Min Jin Ki
 * Assistant Directors: Jun Min Ho (전민호), Noh Jung Hoon (노정훈), Park Hyung Won (박형원), Wi Seung Yun (위승연), Kim Geum Nan (김금난)
 * Editors: Na Hee Soo (나희수), Jun Mi Sook (전미숙)
 * Cinematographers: Choi Sung Tae (최성태), Park Sung Young (박성영)
 * Music Director: Kim Soo Jin
 * Screenwriters: Ryu Moon Sang (류문상), Kim Jin Hee (김진희), Yoo Hye Mi (유혜미), Park Eun Mi (박은미)

Episode Ratings
See Circle/Episode Ratings