The official website of the Dead Mount Death Play television anime revealed nine additional casts, key visual (pictured), and theme songs. The anime is scheduled to premiere in April 2023.

Cast
Tsubaki Iwanome: Takuya Eguchi (Spy x Family)
Kouzaburou Arase: Nobuhiko Okamoto (Ansatsu Kyoushitsu)
Lisa Kuraki: Atsumi Tanezaki (Vivy: Fluorite Eye's Song)
Xiaoyu Lei: Misato Fukuen (Kyokou Suiri)
Rozan Shinoyama: Kazuhiro Yamaji (One Punch Man)
Sayo Shinoyama: You Taichi (Princess Principal)
Izuna Ajijou: Rumi Ookubo (Munou na Nana)
Koryuuto Ichinose: Ikumi Hasegawa (86)
Saki Aikawa: Haruka Shiraishi (Tenkuu Shinpan)

Singer Sou (Id:Invaded) is performing the opening theme "Nero" and Inori Minase performs the ending theme "Iolite."

Manabu Ono (Sword Art Online: Alicization) helms the anime and handle the series composition at GEEK TOYS. Hisashi Abe (Berserk) is designing the characters. F.M.F (Yuuki Nara, eba, and Kana Utatane) is composing the music.

The anime adapts Ryohgo Narita and Shinta Fujimoto's action fantasy manga, which began serialization in Young Gangan magazine in October 2017. Square Enix shipped the tenth volume on November 25.

Yen Press licensed the manga in English in October 2017. The eighth volume went on sale on September 20, with the ninth volume scheduled to release on July 18.

Source: Comic Natalie