Detective Tsuyoshi Shinjô (as Jirô Chiba)
Taizô Shiba
Nami Shiba
Yumi Shiba
Narration (voice) (as Kei'ichi Noda)
Saori Kirishima
BAD (voice)
George Kirishima
Jihei Jigoku
Kowashiman (voice)
Robot Detective (voice)
Kamano Ushimatsu