Suggestions by @skytalk

Soji Arai

as Diego in The Substance (Japanese cast)

Kappei Yamaguchi

as Additional Voices in The Substance (Japanese cast)

Daisuke Ono

as Additional Voices in The Substance (Japanese cast)

Shinya Takahashi

as Additional Voices in The Substance (Japanese cast)

Tomoyo Takayanagi

as Additional Voices in The Substance (Japanese cast)

Shunsuke Takeuchi

as Additional Voices in The Substance (Japanese cast)

Ryoka Yuzuki

as Additional Voices in The Substance (Japanese cast)

Hitomi Ueda

as Additional Voices in The Substance (Japanese cast)

Ryoma Takeuchi

as Troy in The Substance (Japanese cast)

HaLuki Nanai

as doctor in The Substance (Japanese cast)

Tatsuya Fujiwara

as nurse in The Substance (Japanese cast)

Akira Emoto

as man at diner in The Substance (Japanese cast)

Mackenyu

as Oliver in The Substance (Japanese cast)

Nao Omori

as Fred in The Substance (Japanese cast)

Kensuke Ushio

as Composer in The Substance (Japanese cast)

Kotone Furukawa

as Sue in The Substance (Japanese cast)

Jun Kunimura

as Harvey in The Substance (Japanese cast)

Shinya Tsukamoto

as The Substance voice in The Substance (Japanese cast)

Kaho Minami

as Elisabeth Sparkle in The Substance (Japanese cast)

Takashi Miike

as Director in The Substance (Japanese cast)