<Ul> <Li> Jeon Jin - seo as child Kim Dam - ryung / Heo Joon - jae </Li> <Li> Park Jin - young as teenage Kim Dam - ryung / Heo Joon - jae </Li> </Ul> <Li> Jeon Jin - seo as child Kim Dam - ryung / Heo Joon - jae </Li> <Li> Park Jin - young as teenage Kim Dam - ryung / Heo Joon - jae </Li> <Ul> <Li> Lee Hee - joon as Jo Nam - doo / Park Moo </Li> </Ul>

Park jin young di the legend of the blue sea