Characters played by Sung-Woo Bae
Seon-woo
Characters played by Park Bo-Young
Do Ra-hee
Characters played by Jae-yeong Jeong
Ha Jae-kwan
Characters played by Yoon Kyun-Sang
Woo Ji-han
Characters played by Jin Kyung
CEO Jang
Characters played by Dal-su Oh
General manager Ko
Characters played by Deok-Hwan Ryu
Seo-jin
Characters played by Hyeon-kyeong Ryu
Chae-eun
Characters played by Kim Sung-oh
Section chief Ma
Characters played by Teo Yoo
Jey
Characters played by Ha-bok Yu
Deputy department head