I'm the Secret Detective Sandogasa

Miyoko Yajima

Background Designer

Hideko Tsubota

Background Designer

Masayuki Sato

Background Designer

Yu Mizushima

Mach (voice)

Toru Furuya

Jun Katou (voice)

Ichiro Nagai

Prof. Kato (voice)

Keiichi Nanba

Julius (voice)

Yuji Mitsuya

Yuji (voice)

Chikao Ohtsuka

Gordius

Hiroya Ishimaru

Dike (voice)

Nana Yamaguchi

Mia Kato (voice)

Keiko Han

Yuri (voice)