Episode 12 S01 E12

Park Si-hoo (as Baek Shi-yoon) Cho Seong-ha (as Im Tae-ho) Lee Soo-hyuk (as Choi Chan-gyoo) Kwon Yu-ri (as Bae Jung-yeon) Yoon Tae-young (as Yoon Sang-min) Jeong Man-sik (as Jung Soo-hyuk) Song Jae-ho (as President Hwang) Lee Han-wi (as Team Leader Song) Ahn Suk-hwan (as Park Sun-hoo) Kang Nam-gil (as Seo Joon-suk) Jin Kyung (as Sun-young) Kim Bo-mi (as So-mi) Ji Il-ju (as Jin-Woo) Choi Byung-mo (as Jung Yoon-Chan)