- Country: South Korea
- Genres: Comedy, Drama
- Release: 2017-11-27
- Director: N/A
- Writers: N/A
- Language: Korean
- Stars: Kyun-Sang Yoon , Hye-Seong Jung , Kim Hee-won , Shin-Hyo Kang , Choi Wonyoung , Gook-hwan Jeon , Yu-seon Yun , Seung-Hoon Oh , Jang Hyun-sung , Sung-woo Jeon
- Runtime: 30 min
- Awards: N/A
- AKA: Oh, the Mysterious (United States of America) , Mysterious Il-Seung , Oh, the Mysterious (United Kingdom) , Uimoonui Ilseung (Korea) , Questionable Start , Oh, the Mysterious , Uimoonui Ilseung , 疑問のイルスン (Japan) , おしえて!イルスン (Japan) , Mysterious Il Seung , Doubtful Victory 疑问的一胜 (China), 疑问的日昇 (China), 迷之一胜 (China), 의문의 일승 (South Korea)
- Plot: Kim Jong Sam was falsely accused of a crime and imprisoned. Because of that he has spent ten years on death row. Somehow he escapes out of prison and becomes a fake cop, (Oh Il Seung). Then sets out to find a hidden amount of 100 billion won (about 100 million dollars) on behalf of criminals who will garanty him with a new identity that belongs to a death cop. He has three days to find the cash and begin his new life. While doing that, new adventures show up.
- IMDB:tt7608220
Doubtful Victory Cast · · · ALL
Kyun-Sang Yoon
Oh Il-Seung
Hye-Seong Jung
Jin Jin-Young
Kim Hee-won
Park Soo-Chil
Gi-seok Do
Kim Min-Pyo
Shin-Hyo Kang
Kwon Dae-Woong
Choi Wonyoung
Jang Pil-Sung
Yu-seon Yun
Kook Soo-Ran
Young-Pil Kim
An Tae-Jung
Gook-hwan Jeon
Lee Gwang-Ho
Hyeon-shik Lim
Jo Man-Suk