Kentaro Sakaguchi
Biography
Kentaro Sakaguchi (Japanese: 坂口健太郎) is a Japanese actor and model born on July 11, 1991, in Tokyo. He began his career in the fashion industry, debuting as a model for the Men’s Non‑no magazine in 2010. Four years later he entered acting under the representation of Tristone Entertainment. Since his screen debut, Sakaguchi has appeared in a variety of television series, including Tokyo Tarareba Musume and Signal, and has acted in feature films such as The 100th Love with You and Color Me True. According to The Movie Database, he has accumulated 57 credited roles and is primarily known for his work in acting.
Career overview
Kentaro Sakaguchi, born on July 11 1991 in Tokyo, Japan, began his public career in the fashion industry. In 2010 he made his debut as a model for the Japanese men’s magazine Men’s Non‑no, establishing a presence in print media before transitioning to acting. Four years later, in 2014, he entered the entertainment field under the representation of Tristone Entertainment, marking the start of his professional acting work.
Since his acting debut, Sakaguchi has built a portfolio that includes both television and film. On television he is known for roles in the series Tokyo Tarareba Musume and Signal, while his film appearances include The 100th Love with You and Color Me True. The breadth of his work is reflected in the number of credited productions listed on major databases, which record more than fifty‑seven separate acting credits across various media formats. Throughout his career, Sakaguchi has been identified primarily for his acting contributions, a focus that aligns with his listed professional designation. His ongoing activity in both screen and television projects continues to expand his presence within the Japanese entertainment industry.
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Frequent co-stars
Career timeline
Full Filmography
58 titles- I Don't Know You (2026) as Yuhei
- Romantics Anonymous (2025)
- Getaway and Go with Jangdobari (2025) as Self
- The Final Piece (2025) as Keisuke Kamijo
- Dream (2025) as Himself
- Beyond Goodbye (2024) as Kazumasa Naruse
- What Comes After Love (2024) as Jungo Aoki
- The Parades (2024) as Akira
- Dr. Chocolate (2023) as Noda Tetsuya / 'Teacher'
- CODE Japan: The Price of Wishes (2023) as Minato Ninomiya
- Side By Side (2023) as Miyama
- Absolutely Nothing Prepared (2022) as Self
- The Last 10 Years (2022) as Kazuto Manabe
- Hiru (2022) as Kara
- Guardian of the Market (2022) as Tsutomu Koshobu
- Hell Dogs (2022) as Hideki Murooka
- Welcome Home, Mone (2021) as Suganami Koutaro
- ONLY JUST MARRIED (2021) as Shu Momose
- Air Girl (2021) as Mishima Yuki
- SIGNAL: The Movie – Cold Case Investigation Unit (2021) as Kento Saegusa
- 72nd NHK Kōhaku Uta Gassen (2021)
- A Girl of 35 (2020)
- Masked Ward (2020) as Shugo Hayami
- Tokyo Tarareba Girls 2020 Special (2020)
- Dragon Quest: Your Story (2019) as Prince Harry (voice)
- Innocence, Fight Against False Charges (2019) as Taku Kurokawa
- And, Live (2019) as Shimizu Kiyotaka
- Brave Father Online - Our Story of Final Fantasy XIV (2019) as Iwamoto Akio
- And Life Goes On (2019) as Shimizu Kiyotaka
- As You Like It (2019) as Orlando
- Signal (2018) as Kento Saegusa
- Color Me True (2018) as Kenji Makino
- Modest Heroes (2018) as Father / Doctor (voice)
- The House Where the Mermaid Sleeps (2018) as Yuya Hoshino
- Tales of the Bizarre: 2018 Fall Special (2018)
- Tokyo Tarareba Girls (2017) as KEY
- Narratage (2017) as Reiji Ono
- The 100th Love with You (2017) as Riku Hasegawa
- I'm Sorry, I Love You (2017) as Hyuga Satoru
- Love That Makes You Cry (2016) as Haruta Nakajo
- Sleepeeer Hit! (2016) as Jun Koizumi
- The Copycat Criminal (2016) as Amikawa Koichi
- 64: Part 1 (2016) as Teshima
- 64: Part 2 (2016) as Teshima
- Golden Orchestra (2016) as Sakashita
- The Kodai Family (2016) as Kohei Kishimoto
- The Inerasable (2016) as Tetsuo Misawa
- Teacher Gappa (2016) as Ryuji Saeki
- Dr.STOЯKS (2015) as Ryo Shirakawa
- Our Little Sister (2015) as Tomoaki Fujii
- No Longer Heroine (2015) as Kosuke Hiromitsu
- Prophecy (2015) as Manabu Ichikawa
- Her Granddaughter (2015) as Shinobu Dozono
- My Love Story!! (2015) as Makoto Sunakawa
- At Home (2015) as Jun Moriyama
- Mom, I'm Okay (2015) as Kuroki Toru
- Shanti Days: 365 Days, Happy Breath (2014) as Shun
- kiDnap GAME as Toshiro Niide
Frequently Asked Questions
What movies or TV shows is Kentaro Sakaguchi best known for?
Kentaro Sakaguchi is widely recognized for notable roles and projects including I Don't Know You (2026), The Final Piece (2025), Absolutely Nothing Prepared (2022), Welcome Home, Mone (2021).
When and where was Kentaro Sakaguchi born?
Kentaro Sakaguchi was born on July 11, 1991 in Tokyo, Japan.
How many credits does Kentaro Sakaguchi have?
Kentaro Sakaguchi has accumulated over 58 film and television credits across a career spanning from 2014 to 2026.
What is Kentaro Sakaguchi's background in cinema and television?
Kentaro Sakaguchi (Japanese: 坂口健太郎) is a Japanese actor and model born on July 11, 1991, in Tokyo. He began his career in the fashion industry, debuting as a model for the Men’s Non‑no magazine in 2010. Four years later he entered acting under the representation of Tristone Entertainment. Since his screen debut, Sakagu...
Kentaro Sakaguchi by the numbers
Age in their best-rated roles
- The Final Piece (2025) as Keisuke Kamijo — aged about 33
- Absolutely Nothing Prepared (2022) as Self — aged about 30
- Welcome Home, Mone (2021) as Suganami Koutaro — aged about 29
- Our Little Sister (2015) as Tomoaki Fujii — aged about 23
- Dr.STOЯKS (2015) as Ryo Shirakawa — aged about 23
- Tales of the Bizarre: 2018 Fall Special (2018) — aged about 26
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