Production I.G. USA announced the English dub cast for the upcoming B: The Beginning anime on Friday. The cast is as follows:

Ray Chase as Keith / Dr. Flick

Kyle McCarley as Koku

Doug Stone as Boris

Faye Mata as Lily

Johnny Yong Bosch as Minatsuki

Xander Mobus as Laica / Henry

Allegra Clark as Kaela

Brianna Knickerbocker as Yuna

Patrick Seitz as Mario

Jalen K. Cassell as Eric

Erica Mendez as Young Koku

Cristina Vee as Young Yuna / Erika / Kukuri / Takeru

Keith Osterberg as Jean

Ezra Weisz as Abbot

Khoi Dao as Brandon

Todd Haberkorn as Quinn / Jonathan

Derek Stephen Prince as Julian

Ben Diskin as Kamui

Marianne Miller as Izanami / Lily's Mom

Sean Chiplock as Red

Edward Bosco as Blue / Richard

Keith Silverstein as Yellow

Jake Eberle as Lily's Father

Joe Zieja as Lily's Brother

The anime will premiere on Netflix in spring 2018. When it revealed the anime, Netflix announced that it planned to release all episodes simultaneously worldwide.

Kazuto Nakazawa ( Kill Bill 's animated segment, Moondrive, Parasite Dolls) and Production I.G are listed as the original creators. Nakazawa and Yoshiki Yamakawa ( Little Busters! ) are directing the series, and Nakazawa is also designing the characters and serving as key animation supervisor. Katsuya Ishida is writing the screenplay. Yoshihiro Ike (Rage of Bahamut: Genesis, Tiger & Bunny) is composing the music.

The show's theme song "The Perfect World" is a collaboration between Marty Friedman (song-arrange-guitar), KenKen (bass), and Koji Fujimoto (arrange-programming).

Netflix first unveiled the 12-episode series under the title Perfect Bones , but changed the title on its preview page. Netflix describes the story:

In a world powered by advanced technology, crime and action unfold in the archipelagic nation of Cremona. Koku, the protagonist. Keith, the legendary investigator of the royal police force RIS. A mysterious criminal organization. A wide variety of characters race through the fortified city as it is beset by the serial killer, Killer B, and a chain of crimes in this suspense drama by director Kazuto Nakazawa and Production I.G.

Earlier plot descriptions for the series describe a future where scientists are aiming to create "perfect humans" to achieve world peace, but the new humans they create are kidnapped by an evil organization.