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Human Specimens

1 season
5 episodes
Ended
Drama
Mystery
Crime

Plot Summary

Professor Shirô Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."

First Aired:December 19, 2025
Last Aired:December 19, 2025
Episode Runtime:Unknown
Networks:
Prime Video

Cast & Characters

Cast

Hidetoshi Nishijima as Professor Shiro Sakaki

Hidetoshi Nishijima

Professor Shiro Sakaki

Ichikawa Somegorō VIII as Itaru Sakaki

Ichikawa Somegorō VIII

Itaru Sakaki

Rie Miyazawa as Rumi Ichinose

Rie Miyazawa

Rumi Ichinose

Aoi Ito as Anna Ichinose

Aoi Ito

Anna Ichinose

Towa Araki as Toru Shirase

Towa Araki

Toru Shirase

Jyutaro Yamanaka as Hikaru Akabane

Jyutaro Yamanaka

Hikaru Akabane

Kodai Kurosaki as Sho Ishioka

Kodai Kurosaki

Sho Ishioka

Leo Matsumoto as Ao Fukazawa

Leo Matsumoto

Ao Fukazawa

Ikuho Akiya as Dai Kuroiwa

Ikuho Akiya

Dai Kuroiwa

Where to watch free (US)

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Seasons (1)

Miniseries
6.0

Miniseries

5 episodes

Aired: 2025

Production

Amazon MGM Studios