Kanato Tsukishiro as Château du Carreau

Umino Mitsuki as Neptune

An Houzuki as Triton

Kouzuki Ruu as Nereid

Sachika Shirayuki as Larissa

Chinami Karan as Alexandrite

Harumi Yuu as Garnet / Printemps

Yumena Rune as Pique (Spades)

Kashiro Aoi as Opal

Urara Senri as Amethyst

Hanabusa Kaoto as Trèfle (Clubs)

Irodori Michiru as Coeur (Hearts)

Asahi Tsubasa as Emerald

Ran Naoki as Château (as a child)

Momoka Yuki as Ruby

Sorashiro Yuu as Ruby

Hisumi Rin as Garnet

Ayaoto Sena as Starlight

Nanano Ari as Jade

Hiiragi Ayato as Topaz

Issei Kei as Sapphire

Shirakawa Riri as Sapphire

Ruou Ria as Amethyst

Sou Yuuki as Diamond Fragment

Mahiro Ren as Aquamarine

Saaya Ichigo as Emerald

Miumi Sora as Topaz

Tsukino Daia as Diamond Fragment

Nanashiro Miyabi as Diamond Fragment

Maki Teruto as Diamond Fragment

Kanaha Mio as Diamond Fragment

Mizushiro Aoi as Diamond Fragment

Ichino Rin as Aquamarine

Suzumiya Ranna as Diamond Fragment

Amatsukaze Shuri as Diamond Fragment

Hanahane Rimi as Diamond Fragment