Recruit a talented voice cast that fits the characters' personalities and demographics.
Hold auditions to select the best voice actors for each role.
Joe Daniels as Kamui / Higan: Joe doesn’t just voice Kamui; he becomes him. In the first episode, as we witness the brutal murder of Kamui’s family by masked ninjas, Joe’s transition from a stoic farmer to a roaring engine of vengeance is chilling. He manages the "whisper-to-scream" dynamic perfectly. When Kamui whispers, "You took everything from me," you feel the cold rage. When he screams "AUUU!" during his raw transformation, it rivals the intensity of the Japanese seiyuu. This is a career-defining performance.
Stephen Fu as Zai: The rival ninja is a difficult role to play—he is cold, analytical, yet terrifying. Stephen Fu delivers a silky, menacing tone that makes Zai feel like a Japanese cyberpunk version of Agent Smith from The Matrix. His calm delivery during fight sequences creates a perfect contrast to Joe Daniels’ raw fury.
Natalie Van Sistine as Emma: As the determined AUZA researcher, Natalie provides the emotional anchor for the "real world" plot. Her ability to shift from terrified civilian to resolute ally adds layers to a character that could have been forgettable in lesser hands.
Emotional weight – The VA for Joe / Higan absolutely nails the rage, grief, and quiet pain. No overacting, just raw grit.
Action pacing – The lip-flap sync during fast combat scenes is surprisingly tight. No awkward pauses mid-punch.
Side characters – Emma’s voice fits her battle-hardened yet weary vibe, and Mike (the comic-relief analyst) actually lands jokes without feeling forced.
No “anime voice” syndrome – Dialogue sounds like real people, not exaggerated tropes. Great direction from Iyuno・SGF Group.
