Guest Stars Yoo In Soo as Park Dang Gu Arin as Jin Cho Yun Lee Ha Yool as Sang Ho Lee Do Kyung as Heo Yum Joo Sang Wook as Jang Gang Goo Yoo Jung as Younger Nak Soo Choi Ji Ho as Gil Joo Moon Sung Hyun as Younger Seo Yul Park So Jin as Joo Wol Woo Hyun as Monk Ho Yun Park Byung Eun as King Go Sung Kwon Hyuk Hyun as Guard Bae Gang Hee as Do Hwa Park Sang Hoon as Younger Jang Wook Lee Dong Yong as Broker Kim Choi Gyo Shik as Boutique Shop Owner Yum Hye Ran as Gun's Mother Jung Min Joon as Homeless Boy