- HD 1080
- Runtime: 103m.
- Status: Released
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- Languages: ko
- Country: South Korea
- Director: Choi Ho
- Stars: Cho Seung-woo, Lee Na-young, Cho Eun-ji, Lee Jang-won, Kim Kwang-il
- Production_studio: Myung Films, CJ Entertainment
- The Who Are You? is featured in the top rankings of 2002
- #80 in Top Comedy Movies of 2002
- #61 in Top Romance Movies of 2002
The programmer of the ultimate online dating game starts to fall in love with its most troublesome user, who happens to work in the same building as him.