<Ul> <Li> Ryu Seung - ryong as Lee Yong - gu </Li> <Li> Kal So - won as Ye - sung (Child) </Li> <Li> Park Shin - hye as Ye - sung (Adult) </Li> <Li> Oh Dal - su as So Yang - ho </Li> <Li> Jung Jin - young as Jang Min - hwan </Li> <Li> Park Won - sang as Choi Chun - ho </Li> <Li> Kim Jung - tae as Kang Man - beom </Li> <Li> Jung Man - sik as Shin Bong - shik </Li> <Li> Kim Ki - cheon as Old man Da - do </Li> <Li> Syung Jang - hae as Aristotle </Li> </Ul> <Li> Ryu Seung - ryong as Lee Yong - gu </Li> <Li> Kal So - won as Ye - sung (Child) </Li> <Li> Park Shin - hye as Ye - sung (Adult) </Li>

Name of the child in miracle in cell no. 7