* ContestWinnerCameo:
** [[http://enewsworld.mnet.com/enews/contents.asp?idx=4749 Yoo Min Kyu]], who plays Ha Jin, isn't just making a cameo, but he won ''Flower Boy Casting: Oh! Boy'' reality show in order to be cast.
** Kim Yerim, who is TheDanza
* TheDanza: Kim Yerim ([[http://ko.wikipedia.org/wiki/%ED%88%AC_%EA%B0%9C%EC%9B%94 Two Months]]) of Series/{{Superstar K}}3 fame
* DawsonCasting: At the time of filming, Byung Hee's actor was 26-27, Seung Hoon's actor was 26, Ji Hyuk's actor was 21, Hyun Soo's actor was 19, etc. --all playing high school students.
* OldShame: Sung Joon (who plays Ji Hyuk) mentioned in a later interview that the show's title was "a bit embarrassing."