One on One — Full Credits
Actor
Ma Dong-seok — Shadow Leader
Kim Young-min — Oh Hyeon
Lee Yi-kyeong — Shadow 1
Cho Dong-in — Shadow #2
Teo Yoo — Shadow 3- Cho Jae-ryong — Shadow 5
- Kim Jung-ki — Shadow 6
- Hee-Joong Ju — Jung Yi-se
Choi Gwi-hwa — Oh Ji-ha- Hwang Geon — Oh Jeong-taek
Son Jong-hak — Byun Oh Goo
Actress
Ahn Ji-hye — Shadow 4
Lim Hwa-young — Ji-hye
Park So-dam — Coffee Delivery Girl
Lee Na-ra — Oh Ji-ha's wife
