Rudeus Greyrat, the reincarnated prodigy and main protagonist of Mushoku Tensei: Jobless Reincarnation, is voiced by Yumi Uchiyama in Japanese and Madeleine Morris in the English dub. Both actresses are praised for portraying Rudeus’s emotional growth, insecurities, and gradual maturity throughout the series. (behindthevoiceactors.com)


Japanese Voice Actor: Yumi Uchiyama

Yumi Uchiyama voices young Rudeus Greyrat in the Japanese version of Mushoku Tensei. Her nuanced performance captures Rudeus’s intelligence, emotional trauma, comedic awkwardness, and personal development across the anime’s major story arcs. (behindthevoiceactors.com)

Date of Birth

October 30, 1987

About Yumi

Yumi Uchiyama is a Japanese voice actress known for portraying energetic young protagonists, emotionally layered heroes, and intelligent fantasy characters. Since the late 2000s, she has built a strong reputation across anime, games, and multimedia projects.

Her portrayal of Rudeus Greyrat is widely praised because of how naturally she balances comedy, emotional vulnerability, and character growth. As Mushoku Tensei explores Rudeus’s complicated psychological journey, Uchiyama’s performance plays a major role in grounding the series emotionally.

She is also recognized for voicing both male and female characters with remarkable versatility.

Hometown

Tokyo, Japan

Career Highlights

  • Rudeus Greyrat — Mushoku Tensei: Jobless Reincarnation
  • Puck — Re:Zero − Starting Life in Another World
  • Mare Bello Fiore — Overlord
  • Norn — Is It Wrong to Try to Pick Up Girls in a Dungeon?
  • Haru Yoshida — My Little Monster
  • Ruth — The Ancient Magus’ Bride
  • Kaede Honjo — BOFURI (certain media)
  • Roxas (young versions/additional media) — Kingdom Hearts

Full Current Filmography

The following list reflects documented major anime voice roles from publicly available sources and may not be exhaustive.

Television Anime

  • Mushoku Tensei: Jobless Reincarnation — Rudeus Greyrat
  • Re:Zero − Starting Life in Another World — Puck
  • Overlord — Mare Bello Fiore
  • The Ancient Magus’ Bride — Ruth
  • My Little Monster — Haru Yoshida
  • Is It Wrong to Try to Pick Up Girls in a Dungeon? — Norn
  • A Certain Magical Index — Frenda Seivelun
  • BOFURI — Additional Roles
  • Charlotte — Yusa Nishimori’s brother/additional roles
  • Haikyuu!! — Kenji Futakuchi (young/additional media)
  • Soul Eater NOT! — Eternal Feather

Anime Films

  • Mushoku Tensei OVAs & Specials — Rudeus Greyrat
  • The Ancient Magus’ Bride OVA — Ruth

Video Games

  • Granblue Fantasy — Voice Roles
  • Kingdom Hearts — Additional Voice Work
  • Mushoku Tensei Game Adaptations — Rudeus Greyrat
  • Fire Emblem Heroes — Various Characters

Critical Reception

Yumi Uchiyama is praised for her emotional subtlety and expressive performances. Fans of Mushoku Tensei frequently highlight her portrayal of Rudeus Greyrat as one of the emotional foundations of the anime, especially during scenes involving trauma, personal growth, and family relationships.

Our Sources

Behind The Voice Actors – Rudeus Greyrat (https://www.behindthevoiceactors.com/tv-shows/Mushoku-Tensei-Jobless-Reincarnation/Rudeus-Greyrat/)
Anime News Network Encyclopedia – Yumi Uchiyama (https://www.animenewsnetwork.com/encyclopedia/people.php?id=69464)
Aoni Production Official Profile (https://www.aoni.co.jp/search/uchiyama-yumi.html)
Mushoku Tensei Official Anime Website (https://mushokutensei.jp/)

Social Media

No verified official public social media accounts were found from public sources.


English Voice Actor: Madeleine Morris

Madeleine Morris voices Rudeus Greyrat in the English dub of Mushoku Tensei: Jobless Reincarnation. Her performance captures Rudeus’s emotional vulnerability, awkward humor, intelligence, and gradual maturation throughout the series. (behindthevoiceactors.com)

Date of Birth

Madeleine Morris’s exact birth date is not publicly documented.

About Madeleine

Madeleine Morris is an American voice actress known for anime dubbing and emotionally expressive character performances. Her portrayal of Rudeus Greyrat became one of her most recognized anime roles because of the complexity involved in portraying a character who evolves dramatically over time.

Morris’s performance emphasizes Rudeus’s insecurities, comedic awkwardness, emotional trauma, and eventual growth into a more mature and compassionate person. Fans of the English dub frequently praise her ability to balance the character’s comedic side with emotionally serious scenes.

Hometown

United States

Career Highlights

  • Rudeus Greyrat — Mushoku Tensei: Jobless Reincarnation
  • Additional Voices — One Piece
  • Additional Roles — Crunchyroll and Funimation anime productions
  • Voice work in fantasy and isekai anime dubs

Full Current Filmography

The following list reflects publicly documented voice acting credits and may not be exhaustive.

Anime

  • Mushoku Tensei: Jobless Reincarnation — Rudeus Greyrat
  • Mushoku Tensei Season 2 — Rudeus Greyrat
  • One Piece — Additional Voices
  • The Slime Diaries — Additional Voices
  • The Rising of the Shield Hero — Additional Voices
  • Fruits Basket (2019) — Additional Voices
  • Fairy Tail — Additional Roles

Video Games

  • Mushoku Tensei Game Adaptations — Rudeus Greyrat
  • Anime-related mobile game collaborations — Voice Roles

Critical Reception

Madeleine Morris has been praised for delivering a layered and emotionally grounded performance as Rudeus Greyrat. Fans of Mushoku Tensei often highlight her ability to portray both Rudeus’s immaturity and his gradual emotional growth without losing the humanity of the character.

Our Sources

Behind The Voice Actors – Rudeus Greyrat (https://www.behindthevoiceactors.com/tv-shows/Mushoku-Tensei-Jobless-Reincarnation/Rudeus-Greyrat/)
Crunchyroll – Mushoku Tensei English Dub Cast (https://www.crunchyroll.com/)
Anime News Network Encyclopedia (https://www.animenewsnetwork.com/)
Mushoku Tensei Official Anime Website (https://mushokutensei.jp/)

Social Media

X (Twitter): https://x.com/MaddieMorrisVA
Instagram: https://www.instagram.com/maddiemorrisva/

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