L Lawliet in Death Note is voiced by Kappei Yamaguchi in the original Japanese version and Alessandro Juliani in the English dub. Yamaguchi’s eccentric, restrained performance perfectly captures L’s genius-level intellect and socially unconventional demeanor.
Kappei Yamaguchi (Japanese Voice Actor)

Date of Birth
May 23, 1965
About Kappei
Kappei Yamaguchi is a highly acclaimed Japanese voice actor known for his energetic range and ability to portray quirky, unconventional, and emotionally layered characters. While he is often associated with lively or comedic roles, his performance as L demonstrates his versatility—delivering a subdued, analytical tone that still conveys depth and intrigue.
Hometown
Fukuoka Prefecture, Japan
Career Highlights
- L Lawliet – Death Note (2006–2007)
- Usopp – One Piece
- Ranma Saotome (male) – Ranma ½
- Shinichi Kudo / Conan Edogawa – Detective Conan
- Inuyasha – Inuyasha
Yamaguchi is one of the most recognizable voices in anime, with a career spanning decades and multiple iconic protagonists.
Full Current Filmography
The following list reflects documented credits from reputable anime databases and official listings; it may not be exhaustive.
Anime (Selected, Chronological Highlights)
- 1989–1992 – Ranma ½ – Ranma Saotome (male)
- 1996–present – Detective Conan – Shinichi Kudo
- 2000–present – One Piece – Usopp
- 2000–2004 – Inuyasha – Inuyasha
- 2006–2007 – Death Note – L Lawliet
- 2010s–present – Continued roles in long-running anime and new productions
Video Games (Selected)
- Detective Conan games – Shinichi Kudo
- One Piece games – Usopp
- Inuyasha games – Inuyasha
Dubbing & Narration
- Active in Japanese dubbing and narration work, contributing to various television programs and international film adaptations
Critical Reception
Kappei Yamaguchi’s portrayal of L is widely praised for its subtlety and uniqueness. Critics and fans often highlight how his restrained delivery enhances L’s mysterious and analytical personality.
- Anime News Network’s Death Note coverage emphasizes the strength of its voice cast (https://www.animenewsnetwork.com)
- MyAnimeList discussions frequently describe his L as “perfectly odd and brilliant,” aligning with the character’s distinctive traits (https://myanimelist.net/character/71/L_Lawliet)
Alessandro Juliani (English Voice Actor)

Date of Birth
April 7, 1975
About Alessandro
Alessandro Juliani is a Canadian actor, singer, and voice actor known for his work in anime, television, and film. He brings a refined, intellectual tone to many of his roles, often portraying thoughtful or enigmatic characters. As L in Death Note, Juliani delivers a calm, analytical performance that captures the character’s eccentricity while maintaining an air of quiet authority and mystery.
Hometown
Montreal, Quebec, Canada
Career Highlights
- L Lawliet – Death Note
- Lt. Felix Gaeta – Battlestar Galactica (live-action)
- Various roles – Dragon Ball Z (Ocean dub contributions)
- Voice work – Numerous anime and animation projects
Juliani is also widely recognized for his on-screen acting career, particularly in science fiction television.
Full Current Filmography
The following list reflects documented credits from anime, television, and film sources; it may not be exhaustive.
Anime (Voice Acting)
- 2006–2007 – Death Note – L Lawliet
- 1990s–2000s – Dragon Ball Z (Ocean dub) – Supporting roles (varies by episode credits)
- Additional roles across anime dubs and animated productions
Television (Live-Action)
- 2004–2009 – Battlestar Galactica – Lt. Felix Gaeta
- Guest appearances in various television series including science fiction and drama productions
Film
- Appeared in supporting roles in films and TV movies across his acting career
Music & Stage
- Professional singer and stage performer with credits in musical theater and live performances
Critical Reception
Alessandro Juliani’s portrayal of L is widely praised for its subtle and intelligent approach. Fans often highlight how his performance complements the character’s detached yet deeply perceptive nature.
- Anime News Network’s Death Note coverage notes the strong reception of the English dub cast (https://www.animenewsnetwork.com)
- MyAnimeList discussions frequently describe his L as “calm, precise, and fitting,” emphasizing the effectiveness of his understated delivery (https://myanimelist.net/anime/1535/Death_Note)
Social Media
No verified official social media accounts with publicly documented handles and direct URLs were found.
