Choi Seung-hoon

Yoon Sa-wol (young) • 6 episodes

Jo Yong-pil (teenage) • 16 episodes

Self - Contestant • 12 episodes

Na Il-deung (young) • 1 episodes

Hwang Jung-tae • 12 episodes

Baek Min-jae (young) • 16 episodes

Manager's (voice)

Joon-hyung

Choi Woo-Joon • 32 episodes

Ahn Min-hyuk (young) • 16 episodes

Son Ah-ram • 2 episodes

Mok Jin-woo (child) • 16 episodes

Kang Jae-hyeok (child)

Kim Je-ha (young) • 16 episodes

Kim Jang-soo (child)