Shin'ichirō Miki is a Japanese voice actor affiliated with 81 Produce and most known for his role as Kojiro (James) in Pokémon. Miki is also a singer with the four-man band Weiß, along with Takehito Koyasu, Tomokazu Seki, and Hiro Yūki, the four main voice actors of Weiß Kreuz. Miki is also very active in BL dramas. He won Best Actors in supporting roles in the 4th Seiyu Awards. He often gets cast as handsome, young men in anime roles.

Shin-ichiro Miki plays as Kojirou (voice) in Reincarnated as a Sword.
Shin-ichiro Miki is the top #1 member of the cast and appears in 1087 episodes.

Ai Kakuma is a Japanese voice actress from Fukuoka. She is affiliated with Mausu Promotion.

Ai Kakuma plays as Eris Boreas Greyrat (voice) in Reincarnated as a Sword.
Ai Kakuma is the top #2 member of the cast and appears in 23 episodes.

Tetsu Inada (稲田 徹, Inada Tetsu) is a Japanese voice actor (seiyuu) who currently works for Aoni Production.

Tetsu Inada plays as Donadrond (voice) in Reincarnated as a Sword.
Tetsu Inada is the top #3 member of the cast and appears in 12 episodes.

Rumi Okubo is a Japanese voice actress.

Rumi Okubo plays as Nell (voice) in Reincarnated as a Sword.
Rumi Okubo is the top #4 member of the cast and appears in 12 episodes.

Ami Koshimizu (小清水 亜美, Koshimizu Ami, February 15, 1986) is a Japanese singer, voice actress and stage actress affiliated with Office Restart. She was previously represented by Production Baobab and Axl One.

Ami Koshimizu plays as Amanda (voice) in Reincarnated as a Sword.
Ami Koshimizu is the top #5 member of the cast and appears in 12 episodes.

Shinpachi Tsuji (辻 親八, Tsuji Shinpachi, October 20, 1956) is a Japanese actor and voice actor (seiyū) who is affiliated with Office PAC. He was born in Tateyama City, Chiba Prefecture, and currently lives in Minamiashigara City, Kanagawa Prefecture.

Shinpachi Tsuji plays as Garrus (voice) in Reincarnated as a Sword.
Shinpachi Tsuji is the top #6 member of the cast and appears in 12 episodes.

Wataru Hatano is a Japanese voice actor and singer affiliated with 81 Produce. At the 2nd Seiyu Awards in 2008, Hatano won the Best Male Rookie Award for his roles as Sam Houston in Toward the Terra and Tenshi Yuri in Saint Beast: Kouin Jojishi Tenshitan. Other major roles voiced include Gajeel in Fairy Tail and Yūto Ayase in Nogizaka Haruka no Himitsu. In video games, he voices Josuke Higashikata in the CyberConnect2 developed JoJo's Bizarre Adventure games, and Rufus in the Street Fighter franchise. On April 2, 2018 he announced his marriage with fellow voice actress Mai Hashimoto.

Wataru Hatano plays as Timothy (voice) in Reincarnated as a Sword.
Wataru Hatano is the top #7 member of the cast and appears in 1 episodes.