Leviathan Anime Unveils Star-Studded Japanese Cast Ahead of July 10 Netflix Debut

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 Leviathan Anime Unveils Star-Studded Japanese Cast Ahead of July 10 Netflix Debut

Netflix’s ambitious anime adaptation of Scott Westerfeld’s steampunk novel Leviathan is charting a course for global release on July 10, 2025, and today the streamer revealed the full slate of Japanese voice talent that will bring this living airship saga to life.

Key Visual:



Set in an alternate 1914 teetering on the brink of war, Leviathan follows Prince Aleksandar “Alek” and Deryn Sharp—a girl posing as a boy—whose fates become bound aboard the genetically engineered airship HMS Leviathan. The ONA (original net animation) series is a collaboration between Qubic Pictures and Studio Orange (known for BEASTARS and Trigun Stampede), with a cinematic score by Nobuko Toda and Kazuma Jinnouchi and original songs by legendary composer Joe Hisaishi. Expect a global rollout exclusively on Netflix this July 10—perfect for bingeing your summer adventure.

Production Staff:

  • Director: Christophe Ferreira (Eden)

  • Producers: Justin Leach, Taiki Sakurai

  • Studios: Qubic Pictures (co-production), Orange (animation)

  • Music: Nobuko Toda & Kazuma Jinnouchi; original songs by Joe Hisaishi

 Voice Cast

Netflix has tapped a roster of top-tier seiyū, each embodying the series’ vibrant characters: 

  • Ayumu Murase as Prince Aleksandar ”“Alek”—the runaway heir whose destiny soars aboard the living airship.

  • Natsumi Fujiwara as Deryn Sharp—the resourceful young woman disguised as a boy, whose bravery rivals any soldier’s.

  • Shunsuke Sakuya as Count Volger—the calculating nobleman pursuing geopolitical advantage.

  • Yasuhiro Mamiya as Klopp—the Leviathan’s stoic engineer.

  • Mie Sonozaki as Dr. Nora Barlow—the ship’s visionary scientist.

  • Fairouz Ai as Lilit—a mysterious ally with hidden motives.

  • Hiroki Tōchi as Nikola Tesla—the eccentric inventor whose genius powers revolutionary technology.

  • Tesshō Genda as Sultan—a commanding voice of authority on the war-torn horizon.

and many more, including Ivan Shibata, Ikuko Tani, Genta Nakamura, and Michio Hazama, rounding out the ensemble. Fans of high-octane drama and political intrigue will recognize these veteran performers—and their casting signals that Leviathan’s characters will resonate with emotional depth.

Countdown to Takeoff

With a world premiere screening at Anime Expo 2025 (July 4) and the full series streaming July 10 on Netflix, Leviathan is poised to be one of the summer’s most talked-about titles. Prepare to soar through skies of steam and steel, guided by unforgettable characters brought to life by Japan’s finest voice talent.





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Source: NETFLIX ANIME

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