Guest Stars Lee Won Geun as Hamburger Place Employee Choi Kang Hee as Kim Yang Hee Kim Joo Hun as Kim Hyung Suk Go Joon as Lee Pil Yong Park Se Wan as Young Yang Hee Gil Hae Yun as Pil Yong's Mother Jun Sung Woo as Young Pil Yong Kim Min Sang as Yang Hee's Father