Characters played by Kim Yo-han
Gong Ki Joon
Characters played by Young Woo Chu
Jung Young Joo
Characters played by Yi-Hyun Cho
Jin Ji Won
Characters played by Hwang Boreum-Byeol
Kang Seo Young
Characters played by In-hwan Park
Ki Joon's grandfather
Characters played by Jun Suk-ho
Lee Kang Hoon
Characters played by Yoon Yi-Reh
Lee Jae Hee