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  3. We Are Aliens Anime Film Expands Cast Ahead of September Premiere
Industry Insight

We Are Aliens Anime Film Expands Cast Ahead of September Premiere

The upcoming theatrical anime film Wareware wa Uchuujin has unveiled new voice cast additions, building momentum toward its September 25 theatrical release in Japan.

We Are Aliens Anime Film Expands Cast Ahead of September Premiere

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Published

August 20, 2026

1 min read

by

Source

by MAL Editorial

Tags

Impact Score5 / 10

Table of Contents

  • Cast Additions
  • Creative Pedigree
Table of Contents
  • Cast Additions
  • Creative Pedigree
Wareware wa Uchuujin Key Visual
Official key visual for We Are Aliens

The production team behind the upcoming original cinematic project Wareware wa Uchuujin (We Are Aliens) has pulled back the curtain on additional voice talent joining the ensemble. The announcement arrives as anticipation steadily builds for the film's scheduled premiere in Japanese cinemas on September 25.

Cast Additions

The newly confirmed roster introduces fresh talent and recognizable names to round out the narrative:

  • Seiya Toda: Sano Gaku
  • Seiya Toda (child): Ozeki Reika
  • Elmo Matsushita: Sasaki Arisa
  • Calligraphy Teacher: Harumi Edo

Creative Pedigree

Behind the camera, Kouhei Kadowaki—recognized for directorial contributions on Beastars 2nd Season—spearheads the production as both director and screenwriter under animation studio Nothing New. Meanwhile, musical composition is entrusted to Yaffle, whose previous atmospheric work includes Entotsu Machi no Poupelle.

Momentum for the project has been steady, bolstered by a successful crowdfunding initiative launched on Motion Gallery in November 2025. Initially targeting a goal of 8 million yen, the campaign surpassed expectations by securing over 9 million yen in backing, ensuring solid community investment as the autumn premiere approaches.

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