Characters played by Myeong-Yeon Jo
Beol-goo
Characters played by Min Kim
KTX
Characters played by Hyun-Woong Lee
Wal-wal
Characters played by Seol-gu Lee
Beom-teol
Characters played by Lee Shi-hoo
Newcomer
Characters played by Moon Yong-il
Gae-teol
Characters played by Sang-jae Yoo
Jeong Tae-soo