세친구

金贤成

Kim Tae-moo

Hee-suk Jung

Cho Se-in

이장원

Gong Seung-ho

Young-soo Kim

Cho Se-in's Father

Kim Hwa-yeong

Cho Se-in's Mother

So-hee Cho

Cho Se-in's Sister

Soo Hyun Jin

Female Assistant in Hair Salon

Sang-kyu Choi

Gong Seung-ho's Father

Hyun Jung

Kim Tae-moo's Father

Sun-hee Lee

Gong Seung-ho's Sister

Sang Hyun Kim

Gong Seung-ho's Brother

Ung Heo

Gong Seung-ho's Brother