Katsuyuki Konishi Joins Millennium Family Anime Cast as Hayden
Millennium Family has received an exciting cast announcement for its TV anime adaptation. According to the official statement, veteran voice actor Katsuyuki Konishi has joined the cast as Hayden, the eldest of the seven siblings in the series. Announced on August 27, 2026, the news stands out as one of the most significant reveals regarding the anime's main cast.
When you think of Katsuyuki Konishi, one of the most iconic voices in the anime world comes to mind. Known for countless unforgettable roles such as Keiigo Asano and later Shuhei Hisagi in Bleach, Kamina in Gurren Lagann, Tengen Uzui in Demon Slayer: Kimetsu no Yaiba, Diavolo in JoJo's Bizarre Adventure: Diamond is Unbreakable, and America in Hetalia, Konishi is known as the go-to voice for strong and charismatic male characters. The fact that he will voice the eldest brother, who serves as the family's leader and protector like Hayden, has already led fans to comment that he fits the character's mature, reliable, and authoritative nature perfectly.
So what is Millennium Family? The series follows the dramatic and fantastical story of seven siblings who have lived under an immortality curse for a thousand years and come together again in every generation. The original manga was launched in 2021 by young mangaka Yuki Suenaga in Shueisha's Weekly Young Jump magazine, and quickly gained a loyal fanbase both in Japan and abroad. Blending time skips, family drama, and supernatural mysteries, the work stands out especially for the complex relationships between the siblings and the secrets of their thousand-year history. Nine volumes of the manga have been released so far, with total circulation exceeding 2.5 million copies.
The TV anime adaptation was first announced in March 2026, and it was revealed that the animation would be handled by studio CloverWorks. With Toshimasa Ishii, known for works such as Horimiya and Wonder Egg Priority, in the director's chair, the project is set to begin airing in January 2027 on Tokyo MX and other channels. Following the Hayden announcement, new cast reveals for the other six siblings are expected in the coming weeks. Fans of the series are now eagerly awaiting both a trailer and news on who will voice the remaining siblings.
