Star-Making Role: for Goo Hye Sun, Lee Min-ho (who previously had done minor roles before), Kim Hyun Joong, Kim So Eun, and Kim Bum.
- Dawson Casting: Although the main casts play high-schoolers, but none of them are under 20 or 19.
http://tvtropes.org/pmwiki/pmwiki.php/Trivia/BoysBeforeFlowers
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Star-Making Role: for Goo Hye Sun, Lee Min-ho (who previously had done minor roles before), Kim Hyun Joong, Kim So Eun, and Kim Bum.