Yuko Sanpei. Yuko Sanpei was 34 in Butt Detective: Mystery of the Ruins of Tentoumu as 'Butt Detective (voice)'.
Ayaka Saito. Ayaka Saito was 32 in Butt Detective: Mystery of the Ruins of Tentoumu as '(voice)'.
Kazuhiro Yamaji. Kazuhiro Yamaji was 66 in Butt Detective: Mystery of the Ruins of Tentoumu as '(voice)'.
Seiran Kobayashi. Seiran Kobayashi was 15 in Butt Detective: Mystery of the Ruins of Tentoumu as '(voice)'.
Inuko Inuyama. Inuko Inuyama was 54 in Butt Detective: Mystery of the Ruins of Tentoumu as '(voice)'.
Hiroki Shibata. Hiroki Shibata was 60 in Butt Detective: Mystery of the Ruins of Tentoumu as 'Director'