Jang Hyuk character Kim Kyung-Soo
Shin Min-a character Yoo Chae-Yi
Kim Hyeong-jong character Shimma
Byun Hee-bong character Vice Principal Jang Hak-Sa
Heo Joon-ho character Mr. Ma
Gong Hyo-jin character So Yo-seon
Kim Su-ro character Jang Ryang
Kwon Sang-woo character Song Hak-rim
Cho Seong-ha character Korean Language Teacher
André Benjamin character Kim Kyeong-su (MTV English Dub) (voice)
Big Boi character Shimma (MTV English Dub) (voice)
Lil' Jon character Jang Ryang (MTV English Dub) (voice)
Kelis character So Yo-seon (MTV English Dub) (voice)
Method Man character Mr. Ma (MTV English Dub) (voice)
Tracy Morgan character Woo Ping (MTV English Dub) (voice)
Pat Morita character Vice Principal Jang Hak-Sa (MTV English Dub) (voice)
Mýa character Yu Cha-i (MTV English Dub) (voice)
Snoop Dogg character Song Hak-lim (MTV English Dub) (voice)
Pete Sepenuk character Dean (MTV English Dub) (voice)