1. Bölüm

Soma Saito

William James Moriarty (voice)

佐藤拓也

Albert James Moriarty (voice)

Çiaki Kobayaşi

Louis James Moriarty (voice)

Makoto Furukava

Sherlock Holmes (voice)

Yuki Ono

John H. Watson (voice)

佐久間元輝

Butler (voice)

石上静香

William James Moriarty (young) (voice)

Kenji Hamada

George Cubid (voice)

Hirofumi Nojima

Allen Stanley (voice)

Atsumi Tanezaki

Luke (voice)

Binbin Takaoka

John Paul Murray (voice)

虎島貴明

Spa staff (voice)

村井雄治

Spa staff (voice)