New Voices for We Are Aliens Anime Film: Sakurazaka46's Ten Yamasaki and Comedian Kemuri Matsui Join Cast

The eagerly awaited new trailer for the We Are Aliens anime film has been released. The trailer announced that member of Japanese idol group Sakurazaka46, Ten Yamasaki, and famous comedian Kemuri Matsui have joined the voice cast. Additionally, the film's theme song was revealed for the first time in this trailer.
The trailer features visually stunning scenes as well as character dialogues. Although which character Ten Yamasaki will play has not been specified yet, Matsui's role in the film is expected to carry comedic elements. Yamasaki, a popular member of Sakurazaka46, has previously earned praise for her voice acting skills in earlier projects.
We Are Aliens features an original story with an alien theme. The director is known to be Naoya Ogawa, who previously worked on productions such as Kimi no Koe wo Todoketai. The production studio is Troyca (IDOLiSH7, The Case Study of Vanitas). The film's script is built around an original concept and promises viewers both emotional and entertaining moments.
Although a definite release date has not been announced yet, with the trailer's release, the film is expected to premiere in fall 2026. While details about the plot are limited, the starships and alien planet landscapes seen in the trailer paint a promising atmosphere for science fiction fans. Additionally, the theme song being performed by Sakurazaka46 will greatly contribute to the film's music.
With these new additions, the cast of We Are Aliens is expanding. After previously announcing Kensho Ono and Ayane Sakura for the lead roles, the inclusion of Yamasaki and Matsui has increased interest in the project. Especially fans of Sakurazaka46 are eagerly awaiting Yamasaki's first major voice acting experience.
After the trailer's release, the film caused a big stir on social media, and more details are expected to be shared in the coming months. We Are Aliens is poised to bring a new breath to the anime world with Troyca studio's visual quality and Naoya Ogawa's storytelling.




