Episode 5 S01 E05

Jin Goo (as Lee Tae-baek) Park Ha-seon (as Baek Ji-yoon) Jo Hyun-jae (as Addie Kang) Han Chae-young (as Go Ah-ri) Cho Ja-young (as Gong Sun-hye) Han Seon-hwa (as Lee So-ran) Ko Chang-seok (as Ma Jin-ga) Kwak Hee-Sung (as Ma Yi-Chan) Hong Ji-min (as Lee Eun-hee) Jung Young-sook (as Ji Gwan-soon) Lee Saerom (as Go Ah Ri (young))