Bill in BEASTARS is voiced by Yūki Ono in the original Japanese version and Ben Diskin in the English dub. Ono’s aggressive and energetic performance helped establish Bill as one of Cherryton Academy’s most intimidating students, while Diskin brought the same arrogance, competitiveness, and surprising emotional depth to the English adaptation. (behindthevoiceactors.com)

Yūki Ono – Japanese Voice of Bill

Date of Birth

June 22, 1984

About Yūki

Yūki Ono is a Japanese voice actor and singer affiliated with Atomic Monkey. Widely known for portraying energetic rivals, powerful athletes, and emotionally intense characters, Ono has become one of the most recognizable voices in modern anime.

As Bill in BEASTARS, Ono delivered a forceful and emotionally expressive performance that perfectly matched the Bengal tiger’s aggressive personality and dominant social presence. Bill initially appears arrogant, violent, and impulsive, but the series gradually reveals his emotional insecurities and desire for recognition within herbivore-carnivore society. Ono’s performance helped balance Bill’s intimidating nature with moments of vulnerability and personal growth.

Fans frequently praised how naturally he conveyed Bill’s competitiveness, frustration, and emotional intensity during the anime’s dramatic confrontations.

Outside of BEASTARS, Ono is internationally famous for major roles in JoJo’s Bizarre Adventure, Kuroko’s Basketball, and Blue Lock.

Hometown

Shizuoka Prefecture, Japan

Career Highlights

  • Bill — BEASTARS
  • Josuke Higashikata — JoJo’s Bizarre Adventure: Diamond Is Unbreakable
  • Taiga Kagami — Kuroko’s Basketball
  • Rensuke Kunigami — Blue Lock
  • Gran — Granblue Fantasy The Animation
  • Jun Satō — Working!!
  • Ren Kouen — Magi
  • Additional major sports and action anime protagonists

Full Current Filmography

The following list reflects documented anime, film, music, and game credits from publicly available industry sources and may not be exhaustive.

Television Anime

  • BEASTARS — Bill
  • JoJo’s Bizarre Adventure: Diamond Is Unbreakable — Josuke Higashikata
  • Kuroko’s Basketball — Taiga Kagami
  • Blue Lock — Rensuke Kunigami
  • Granblue Fantasy The Animation — Gran
  • Durarara!! — Rokujo Chikage
  • Magi — Ren Kouen
  • Working!! — Jun Satō
  • Dr. Stone — Additional Voices
  • Fire Force — Supporting Cast
  • Tokyo Revengers — Additional Roles
  • Attack on Titan — Supporting Roles

Anime Films

  • BEASTARS promotional projects — Bill
  • Kuroko’s Basketball: Last Game — Taiga Kagami
  • JoJo’s Bizarre Adventure related productions — Josuke Higashikata
  • Blue Lock film projects — Rensuke Kunigami

Video Games

  • Granblue Fantasy — Gran
  • JoJo’s Bizarre Adventure: All-Star Battle — Josuke Higashikata
  • Blue Lock Project: World Champion — Rensuke Kunigami
  • BEASTARS related media projects — Bill
  • Kuroko’s Basketball game adaptations — Taiga Kagami

Critical Reception

Yūki Ono’s portrayal of Bill received praise for its emotional intensity and commanding energy. Fans frequently highlighted how effectively he balanced Bill’s aggressive personality with the insecurity and emotional frustration hidden beneath the character’s tough exterior.

His performance helped make Bill one of the most memorable supporting carnivores in BEASTARS.

Our Sources

Ben Diskin – English Voice of Bill

Date of Birth

August 25, 1982

About Ben

Ben Diskin is an American voice actor, comedian, and musician widely recognized for his extensive work in animation, anime dubbing, and video games. Since beginning his career as a child actor, he has become known for his enormous vocal range and ability to portray everything from comedic side characters to emotionally intense antagonists.

As the English voice of Bill in BEASTARS, Diskin delivered a loud, aggressive, and emotionally dynamic performance that perfectly matched the Bengal tiger’s intimidating personality. Bill initially appears arrogant and confrontational, but the series gradually reveals his insecurity, competitiveness, and desire for validation within the complex social hierarchy of the series’ world. Diskin’s performance helped make Bill both threatening and emotionally believable.

Fans frequently praised how effectively he balanced Bill’s explosive anger and bravado with moments of vulnerability and emotional frustration.

Outside of BEASTARS, Diskin is internationally famous for major roles in Naruto, JoJo’s Bizarre Adventure, and The Seven Deadly Sins.

Hometown

California, United States

Career Highlights

  • Bill — BEASTARS
  • Sai — Naruto Shippuden
  • Joseph Joestar (young) — JoJo’s Bizarre Adventure
  • Ban — The Seven Deadly Sins
  • Numbuh 1 — Codename: Kids Next Door
  • Haida — Aggretsuko
  • Stitch — Disney animated productions
  • Young Xehanort — Kingdom Hearts

Full Current Filmography

The following list reflects documented English dub acting and animation credits from publicly available industry sources and may not be exhaustive.

Television Anime

  • BEASTARS — Bill
  • Naruto Shippuden — Sai
  • JoJo’s Bizarre Adventure — Young Joseph Joestar
  • The Seven Deadly Sins — Ban
  • Aggretsuko — Haida
  • Blue Exorcist — Additional Voices
  • Bleach — Supporting Roles
  • Demon Slayer — Additional Voices
  • One Piece — Additional Characters
  • Tiger & Bunny — Supporting Roles
  • Record of Ragnarok — Additional Voices
  • Blue Lock — Supporting Cast

Western Animation

  • Codename: Kids Next Door — Numbuh 1
  • The Spectacular Spider-Man — Eddie Brock / Venom
  • DuckTales — Supporting Characters
  • The Owl House — Supporting Roles
  • Generator Rex — Additional Voices
  • Disney’s Stitch! productions — Stitch

Anime Films

  • BEASTARS promotional projects — Bill
  • Naruto film projects — Sai
  • The Seven Deadly Sins films — Ban
  • JoJo’s Bizarre Adventure related projects — Young Joseph Joestar

Video Games

  • Kingdom Hearts series — Young Xehanort
  • Genshin Impact — Additional Voices
  • Naruto game series — Sai
  • The Seven Deadly Sins game adaptations — Ban
  • BEASTARS related media projects — Bill

Critical Reception

Ben Diskin’s portrayal of Bill received praise from English dub audiences for its intensity, aggression, and emotional realism. Fans frequently highlighted how effectively he captured Bill’s intimidating personality while still allowing the character’s insecurity and emotional vulnerability to emerge naturally during the series’ dramatic moments.

His performance helped make Bill one of the standout supporting carnivores in the BEASTARS English dub.

Our Sources

Social Media

Published by Limarc Ambalina

Limarc Ambalina is the founder of Japan Bound, a website covering all things Japan — from travel and culture to anime, manga, and pop culture. He is also the Director of Content at ISNation and the former VP of Editorial at HackerNoon. Based in Japan, he has been writing about Japanese life and entertainment since 2019, growing the site to over 2.4 million views.

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