Ahn Jae Hyun as Park Ji Sang
– Baek Seung Hwan as Ji Sang (young)
Gu Hye Sun as Yoo Ri Ta
– Jung Chan Bi as Yoo Ri Ta (young)
Ji Jin Hee as Lee Jae Wook

People around Ji Sang

Jung Hae in as as Joo Hyun Woo (Ji Sang’s friend)
Ryu Soo Young as Park Hyun Seo
Park Joo Mi as Han Sun Young

People Around Ri Ta

Kim Gap Soo as Yoo Suk Joo (Ri Ta’s uncle)
Son Sook as Sylvia Ahn
Jung Hye Sung as Choi Soo Eun (Ri Ta’s friend)
Jin Kyung as Choi Kyung In

People Around Jae Wook

Park Tae In as Suh Hye Ri
Kwon Hyun Sang as Nam Chul Hoon
Lee Ji Hoon as J

Others

Son Soo Hyun as Min Ga Yun
Kim Yoo Suk as Jung Ji Tae
Jo Jae Yoon as Woo Il Nam
Jung Suk Yong as Lee Ho Yong
Jung Hwan as Gerrard Kim
Ji Chan as Do Sung
Kang Sung Min as Joo In Ho
Park Joon Myun as Lee Young Joo
Kang Ui Sik as Lee Sung Gyun
Ki Se Hyung as black man
Kang Dae Hyun as Son Young Gi
Jung Hee Tae as Choi Woo Sik
Kim Bo Kyung as Choi Woo Sik’s wife
Yoo Eun Mi as Choi Soo Yeon
Park Joon Mok as Kim Sang Gyu
Hong Hwa Ri as Lee Na Jung
Mi Ram as Jang Yoo Jin
Kim Ji Hoon as Kang Jung Min
Nam Myung Ryul as Jung Han Soo (cameo)
Jun Bum Soo as Kim Byeong Soo