Kim Han-yeong

as Seong Gu-hyeon / Choi Do-seob

as Self (archive footage)

as Kim Min-hyuk

as Kim Tae-woo

as Shin Yi-jun

as Han Jae-hyun

as No Ji-hoo

as Lee Kang-joon

as Yoon Do-jin

as Cha Do-hyun

as Ji-hoon

as Jae-ho

as Self