Guest Stars Lee Jung Eun as Ms. Haman Choi Moo Sung as Jang Seung Goo Shin Jung Geun as Mr. Haeng Rang Yoon Joo Man as Yoojo David McInnis as Kyle Moore Kim Gab Soo as Hwang Eun San Kim Eui Sung as Lee Wan Ik Jo Woo Jin as Im Kwan Soo Kim Ri Woo as Dong Mae's Man Go Woo Rim as Do Mi Shin Soo Yun as Soo Mi Kim Na Woon as Madam Jo Seo Yoo Jung as Hong Pa Kim Dong Gyoon as Kim Ahn Pyung Kim Hye Eun as Kang Ho Sun Park Ah In as Go Ae Soon Lee Si Hoon as Go Kim Nam Hee as Takashi Mori Kim Kang Hoon as Young Yoo Jin Lee Jung Hyun as Sgt. Tsuda Kim Shi Eun as Gui Dan Fabien as Leo Lee Shi Ah as Yoo Jin's Mother Oh Ah Yun as So Ah