Cast Credits The Truth Seekers (2016) Guest starring as Derrick Chen Guo Hui (4 episodes) Episode 1x09: Episode 9 (May 10, 2016) Episode 1x08: Episode 8 (May 9, 2016) Episode 1x07: Episode 7 (May 6, 2016) Episode 1x06: Episode 6 (May 5, 2016) View 1 more View 1 less