as Lee Min-seok / Lee Hyung-seok

as Jung Soo-young

as Yoo Jin-woo

as Oh Tae-seok

as Jo Deok-hwan

as Jung Yoo-ah

as Choi Jang-ho

as Choi Man-seok

as Kim Chang-soo

as Han Yeong-seok

as Yoon Dong-jae

as Ji Dae-han

as Go Yoon-joo

as Park Hong-bae

as Nam Sang-Koo

as Yoo Jae-guk

as Park Ki-hoon

as Soo-young's mother