CACrown ArchivesThe cinema collection
Menu
Research dossier · People & Ideas

Kentaro Sakaguchi

Japanese actor

Correspondence, annotated notebooks and portrait silhouettes prepared for research
People and ideasInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 17, 2026
Entity authorityQ17158653 ↗
Source-derived summary

Kentaro Sakaguchi (Japanese: 坂口 健太郎, Hepburn: Sakaguchi Kentarō; born July 11, 1991) is a Japanese actor and model. He debuted as a model in Men's Non-no magazine in 2010, and as an actor under Tristone Entertainment in 2014. He first gained recognition for starring in the television series Signal (2018) and its 2021 film Signal the Movie. Sakaguchi attained further prominence for the films The Last 10 Years (2022) and Side by Side (2023), as well as dramas What Comes After Love (2024) and Beyond Goodbye (2024).

Personal life

Sakaguchi was born on July 11, 1991 in Tokyo, Japan. His family consists of his mother and sister. He stated in an interview that the death of his father caused him to be closer to his mother.

Marriage

On September 6, 2026, Sakaguchi announced his marriage to his long-term girlfriend.

Career

Modeling

Sakaguchi debuted as a model in 2010, and has since appeared in cover stories and pictorials for several magazines including Men's Non-no for which he was an exclusive model for 7 years. He has also participated in fashion shows like GirlsAward 2014 Spring/Summer and GirlsAward 2015 Spring/Summer.

Editorial summary

“Kentaro Sakaguchi” enters the record as japanese actor. Crown Archives preserves that source wording while asking what Kentaro, Sakaguchi and Japanese can confirm, complicate or overturn.

Editorial reviewStrongest as a route into the people, institutions and dated events that shaped the subject’s public record. The current lead gives the account dated anchors—1991, 2010, 2014, 2018—that can be checked directly. The linked authority record independently contributes the date 1991-07-11. Its strongest next move is a source search built around Kentaro, Sakaguchi and Japanese.
Editorial analysis

Why this record matters

“Kentaro Sakaguchi” is worth following because a concise public description often conceals a longer documentary argument. Here, Kentaro, Sakaguchi and Japanese provides the most credible route into that argument.

Evidence profile

Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Sep 17, 2026. The linked authority identifier is Q17158653. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1991, 2010, 2014 and 2018.

Critical limits

Later biographies can compress uncertainty and repeat inherited reputations, so apparently settled claims may still require comparison. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

Best used for
  • Establishing names and roles
  • Building a first chronology
  • Locating cited institutions
Verify next

Personal papers, civil or court records, institutional files and the scholarship cited by the source.

Three-step research path

  1. Establish the record: confirm the title “Kentaro Sakaguchi”, its source revision and the description used here.
  2. Expand the search: follow Kentaro Sakaguchi primary sources, Kentaro Sakaguchi archive and Kentaro research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Kentaro Sakaguchi”?
  2. How has the subject’s reputation changed across later accounts?
  3. Which claims depend on a single source or contested interpretation?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Kentaro Sakaguchi” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.