Cast Credits Alchemy of Souls (2022) Guest starring as Younger Seo Yul (6 episodes) Episode 1x11: Episode 11 (Jul 23, 2022) Episode 1x06: Episode 6 (Jul 3, 2022) Episode 1x05: Episode 5 (Jul 2, 2022) Episode 1x03: Episode 3 (Jun 25, 2022) Episode 1x02: Episode 2 (Jun 19, 2022) Episode 1x01: Episode 1 (Jun 18, 2022) View 3 more View 3 less