Characters played by Yo-won Lee
Song Yi Kyung
Characters played by Gyu-ri Nam
Shin Ji Hyun
Characters played by Hyeon-jae Jo
Han Kang
Characters played by Il-Woo Jung
Scheduler
Song Yi-Soo
Characters played by Soo-bin Bae
Kang Min Ho
Characters played by Seo Ji-hye
Shin In Jung
Characters played by Geu-rin Bae
Park Seo Woo
Characters played by Jung-woo Choi
Shin Il Shik (Ji Hyun's father)
Characters played by Seong-min Kang
No Kyung Bin
Characters played by Byung-ho Son
Oh Hae Won
Characters played by Bong-gil Yoon
Cha Jin Young
Characters played by Ho-Chang Kim
Ki Joon-hee