Plot: In Part 1, Jeong Yeon gets attacked by a woman that claims that she’s an alien and shows Woo Jin a picture of her with the toy star that he gave her 10 years ago. In Part 2, Bluebird leads Joon Hyeok to his past to find out who he is
Cast
Yeo Jin-gooKim Woo-JinYeo Jin-goo was 19 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Wed, Aug 13 1997
Kim Kang-wooKim Joon-HyukKim Kang-woo was 38 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Tue, Jul 11 1978
Gong Seung-yeonHan Jung-YeonGong Seung-yeon was 24 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Sat, Feb 27 1993
Lee Gi-kwangLee Ho-SooLee Gi-kwang was 27 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Fri, Mar 30 1990
Kwon Hyuk-sooDetective OhKwon Hyuk-soo was 31 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Tue, May 06 1986
An Woo-yeonKim Beom-GyoonAn Woo-yeon was 26 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Mon, Jan 07 1991
Kim Joong-kiKim Kyu-CheolKim Joong-ki was 37 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Sun, Jul 22 1979
Min Sung-wookLee Hyun-SeokMin Sung-wook was 37 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Sat, Sep 22 1979
Nam Myung-ryeolYoon Hak-JooNam Myung-ryeol was 58 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Thu, May 14 1959
Lee Hwa-KyumSecretary ShinLee Hwa-Kyum was 22 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Mon, Jan 23 1995
Seo Hyeon-cheolHong Jin-HongSeo Hyeon-cheol was 52 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Mon, Apr 19 1965
Song Young-gyuHwang Yong-WooSong Young-gyu was 47 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Sat, Apr 18 1970
Oh Eui-sikLee Dong-SooOh Eui-sik was 33 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Tue, Nov 01 1983
Kim Ye-joonKim Bum-gyun (young)Kim Ye-joon was 10 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Sat, Apr 28 2007
Jung Ji-hoonKim Woo-jin (young)Jung Ji-hoon was 9 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Thu, May 31 2007
Jung In-sunPark Min-youngJung In-sun was 26 in Circle - Season 1 - Beom Gyun (Episode 4).
Birthday: Thu, Apr 25 1991