Choi Seung-hoon

as Manager's (voice)

as Joon-hyung

as Kang Jae-hyeok (child)

as Kim Jang-soo (child)

as Teenage Jo Yong-pil

as Yoon Sa Wol (young)

as Self - Contestant

as Na Il-Deung [Young]

as Hwang Jung-tae

as Young Baek Min-jae

as Choi Woo-Joon

as Ahn Min-hyuk (Young)

as Mok Jin Woo [Child]

as Young Kim Je-Ha