One Punch
High Kick (as Han-seon Jo)
(as Won-ju Moon)
Mr. Park (as Park Young-Kyu)
Jung Chan-Suk
Girl In Memories
Lee Do-Gyum
Zzang-Dol
Cho Duk-Hyun
Na Hae-Ri
National soccer team coach
Mangchi Gang Member #3
Video Game Addict
Ji Hyun-Woo
Man on bicycle
Yaburi (as Jae-hoon Jeong)
Luxury
Myung Rang
Myeong-rang's Father
Motorcycle gang member 2 (as Jeong-wun Kim)
Prison officer
Motorcycle gang member 3
Motorcycle Gang Member
Night Manager (as Kwon Yong Woon)
Kang Kyoug-Deok
Assistant director
Escort bus driver
Myeong-rang - female student
Woman helping wheelchair
National soccer team player
Dong-hyang Daily reporter
Motorcycle gang member 4
On-site editor
Lee Yoo Mi
Lee Mi-Do
Jjang Dol
Pal-Bong (as Lee Myung-Ho)
Mang Chi
Mushroom
Kim Sang-Jin
Mang-Chi
Park Sang-Myun
Self
Middle-aged man
Kang Seung-Wan
Surprise man
Luxury - Special appearance (as So-jung Lee)
Harei
Mangchi Gang Member #4
Beol-gu
Beol-Gu
Tak Teu-In
Beol Gu (as Tak Teu In)
Moon Won-Ju
(as Won-seok Yang)
Park Sang Wook
Park Yeong-Gyu
Jo Yeong-Min
(as Chan-i Kim)
Narrator Manager
Kim Yoon-Sung
Leader, Motorcycle Gang
One Punch's Father
Mr. Park
Motorcycle gang member 5
Table producer
In-sang