Main Characters Kang Ho Young 4 main appearances Park Eun Ho 4 main appearances Yoo Ji Na 4 main appearances
Recurring Guest Characters Park Hoon 4 guest appearances Son Seung Tae 4 guest appearances Maeng Man Bok 4 guest appearances Maeng Man Hee 4 guest appearances Man Bok's Mother 4 guest appearances Kim Joong Bae 4 guest appearances Trainer Oh 3 guest appearances Kang Ho Dong 2 guest appearances