Cast Credits Sangmin Dinneaw (2024) Guest starring as Director (2 episodes) Episode 1x04: Episode 4 (Jan 19, 2025) Episode 1x03: Episode 3 (Jan 12, 2025) My Engineer (2020) Guest starring as Tar (2 episodes) Episode 1x05: Episode 5 (Apr 10, 2020) Episode 1x01: Episode 1 (Mar 14, 2020)