Kahaku in To Your Eternity is voiced by Mitsuki Saiga in Japanese and Chris Hackney in the English dub. As one of the most emotionally conflicted characters in the series, Kahaku required performances that could balance devotion, instability, vulnerability, and menace. Both actors delivered memorable portrayals that became central to To Your Eternity Season 2.
Japanese Voice Actor: Mitsuki Saiga
Date of Birth
June 12, 1973
About Mitsuki
Mitsuki Saiga is a veteran Japanese voice actress widely respected for voicing complex, emotionally layered characters, especially androgynous or psychologically intense roles. Her performance as Kahaku in To Your Eternity showcased her ability to portray emotional instability alongside genuine tenderness, making Kahaku one of the series’ most unpredictable characters. She also voices Hayase and members of the same bloodline throughout the story, adding thematic continuity to the role.
Hometown
Saitama Prefecture, Japan.
Career Highlights
Mitsuki Saiga has had a long and acclaimed career in anime and games, earning recognition for her distinctive deep vocal tone and dramatic performances. She is especially known for roles in Fullmetal Alchemist, Black Butler, .hack//SIGN, and The Prince of Tennis. Her work in To Your Eternity drew praise for connecting multiple generations of Hayase’s lineage through subtle vocal similarities and emotional nuance.
Full Current Filmography
The following list reflects publicly documented major anime and game credits and may not be exhaustive.
Television Anime
- To Your Eternity — Kahaku / Hayase lineage
- Fullmetal Alchemist — Maria Ross
- .hack//SIGN — Tsukasa
- Black Butler — Wolfram Gelzer
- The Prince of Tennis — Kaneda Ichirō
- 07-Ghost — Teito Klein
- Mobile Suit Gundam SEED Destiny — Howard Mason
- Saiyuki Reload — Homura
- Monster — Rosso
- Kyo Kara Maoh! — Wolfram von Bielefeld
Video Games
- .hack series — Tsukasa
- Fire Emblem Heroes — Various characters
- Granblue Fantasy — Multiple roles
- Arknights — Voice roles
- Tales series — Guest roles
Critical Reception
Mitsuki Saiga’s performance as Kahaku was widely praised by viewers for making the character simultaneously sympathetic and unsettling. Fans particularly highlighted her delivery during Kahaku’s emotional confrontations with Fushi and his internal struggle against the Nokker influence. Her portrayal helped elevate Kahaku into one of the most discussed characters of Season 2.
Our Sources
- Behind The Voice Actors – Kahaku (https://www.behindthevoiceactors.com/tv-shows/To-Your-Eternity/Kahaku/)
- To Your Eternity Cast Listings (https://anibase.net/en/anime-cast/maMKm)
- IMDb Full Cast & Crew (https://www.imdb.com/title/tt12063450/fullcredits/)
- To Your Eternity Official Site (https://www.anime-fumetsunoanatae.com/)
- Anime Voice-Over Wiki (https://animevoiceover.fandom.com/wiki/To_Your_Eternity)
English Voice Actor: Chris Hackney
Date of Birth
November 5, 1986.
About Chris
Chris Hackney is an American voice actor known for his powerful dramatic performances across anime and video games. In To Your Eternity, he voiced Kahaku in the English dub, bringing emotional depth and instability to one of the series’ most conflicted characters. His performance captured Kahaku’s devotion to Fushi while also emphasizing the darker influence of the Nokker and Hayase bloodline. (behindthevoiceactors.com)
Hometown
Florida, United States.
Career Highlights
Chris Hackney became widely recognized among anime and gaming fans for voicing Dimitri in Fire Emblem: Three Houses. He has since built an extensive résumé featuring major roles in anime dubs, RPGs, and action games. His portrayal of Kahaku in To Your Eternity earned praise for balancing emotional vulnerability with increasingly disturbing intensity as the story progressed.
Full Current Filmography
The following list reflects publicly documented credits from available sources and may not be exhaustive.
Television Anime
- To Your Eternity — Kahaku
- Demon Slayer: Kimetsu no Yaiba — Gyutaro
- JoJo’s Bizarre Adventure: Stone Ocean — Weather Report
- The Seven Deadly Sins — Denzel Liones
- Cells at Work! — Cancer Cell
- Sword Art Online Alicization — Raul
- Bungo Stray Dogs — Nathaniel Hawthorne
- Akudama Drive — Cutthroat
- 86 Eighty-Six — Shiden Iida
Video Games
- Fire Emblem: Three Houses — Dimitri Alexandre Blaiddyd
- Fire Emblem Warriors: Three Hopes — Dimitri
- Genshin Impact — Kamisato Ayato
- AI: The Somnium Files – Nirvana Initiative — Ryuki
- Marvel’s Spider-Man 2 — Additional Voices
- Triangle Strategy — Serenoa Wolffort
- Octopath Traveler II — Hikari Ku
- Granblue Fantasy Versus — Additional Voices
Critical Reception
Chris Hackney’s performance as Kahaku received strong praise from English dub viewers for portraying the character’s emotional conflict without losing the unsettling edge that defines him. Fans particularly highlighted his quieter scenes with Fushi, where his restrained delivery contrasted sharply with Kahaku’s more obsessive moments later in the season. His performance is often cited as one of the strongest English dub roles in To Your Eternity Season 2.
Our Sources
- Behind The Voice Actors – Kahaku (https://www.behindthevoiceactors.com/tv-shows/To-Your-Eternity/Kahaku/)
- Chris Hackney Profile (https://www.behindthevoiceactors.com/Chris-Hackney/)
- IMDb Full Cast & Crew (https://www.imdb.com/title/tt12063450/fullcredits/)
- To Your Eternity Official Website (https://www.anime-fumetsunoanatae.com/)
- Anime News Network Encyclopedia (https://www.animenewsnetwork.com/encyclopedia/people.php?id=150087)
Social Media
- X/Twitter: https://x.com/chrishackneyggk
- Instagram: https://www.instagram.com/chrishackneyggk/
