Characters played by Seong Ji
Hyeon-seung
Characters played by Kim Ah-jung
Yoon-jeong
Characters played by So-yul Shin
So-yeon
Characters played by Kyeong-jun Kang
Seung-joon
Characters played by Kim Sung-oh
Seok-woon
Characters played by Su-young Jung
Jin-joo
Characters played by Ji-yoon Moon
Yeong-min
Characters played by Bo-mi Kim
Yoon-mi
Characters played by Jae-won Lee
Kim Dae-li
Characters played by Mi-so Lee
Hye-lim
Characters played by Ji-min Kwak
Ah-ra
Characters played by Seung-eon Hwang
Choi Yeong-ah
Characters played by Yeong-gi Jeong
Karaoke Drunk 1
Characters played by Jong-yeol Jeong
Karaoke Drunk 2
Characters played by Gyo-sik Choi
Karaoke Drunk 3
Characters played by Eun-seok Choi
Hyeon-seung's Company Employee
Characters played by Song-i Han
Buyer
Characters played by Hanssen Jeon
Seung-joon's Company Director
Characters played by Bo-yeon Kim
Yoon-jeong's Mother
Characters played by Ji-Hoon Kim
Wan Shik
Characters played by Joo-ryeong Kim
Sea Turtle Woman
Characters played by Joon-ho Kim
Waiter
Characters played by Ji-young Ok
Su-jung
Characters played by Hae-chol Shin
Radio DJ
Characters played by Tu-in Tak
Fat Waiter