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Seiichiro Yamashita
AKA: Seiichirō Yamashita · Seiichirou Yamashita · 山下诚一郎 · 山下 誠一郎
Acting
Born: 1992
Fukuyama, Hiroshima, Japan
70 Global Credits
🔥 1.7 Popularity
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Biography
No detailed biography available.
Known For
An Observation Log of My Fiancée Who Calls Herself a Villainess
Courtgain Deres Mardan (voice)
2026 · JP
Mistress Kanan Is Devilishly Easy
Yōji Kyōgi (voice)
2026 · JP
Akane-banashi
Guriko Arakawa (voice)
2026 · JP
Isekai Office Worker: The Other World's Books Depend on the Bean Counter
Norbert Blanc (voice)
2026 · JP
Tatsuki Fujimoto 17-26
Akira (voice)
2025 · JP
Disney Twisted-Wonderland: The Animation
Ace Trappola (voice)
2025 · JP
Shabake
Matsunosuke (voice)
2025 · JP
Hotel Inhumans
Toshiya Kase (voice)
2025 · JP
Full Credits
| Show / Title | Year | Credit / Role |
|---|---|---|
| An Observation Log of My Fiancée Who Calls Herself a Villainess | 2026 | Courtgain Deres Mardan (voice) |
| Mistress Kanan Is Devilishly Easy | 2026 | Yōji Kyōgi (voice) |
| Akane-banashi | 2026 | Guriko Arakawa (voice) |
| Isekai Office Worker: The Other World's Books Depend on the Bean Counter | 2026 | Norbert Blanc (voice) |
| Tatsuki Fujimoto 17-26 | 2025 | Akira (voice) |
| Disney Twisted-Wonderland: The Animation | 2025 | Ace Trappola (voice) |
| Shabake | 2025 | Matsunosuke (voice) |
| Hotel Inhumans | 2025 | Toshiya Kase (voice) |
| With You and the Rain | 2025 | Young Man (voice) |
| Mobile Suit Gundam GQuuuuuuX | 2025 | Xavier Olivette (voice) |
| Flower and Asura | 2025 | Mitsuyuki Akiyama (voice) |
| I Have a Crush at Work | 2025 | Masugu Tateishi (voice) |
| Nina the Starry Bride | 2024 | Yor (voice) |
| Why Does Nobody Remember Me in This World? | 2024 | Ashran (voice) |
| SHOSHIMIN: How to Become Ordinary | 2024 | Yuto Hiya (voice) |
| T・P BON | 2024 | Menesthes (voice) |
| Unnamed Memory | 2024 | Senn (voice) |
| Go! Go! Loser Ranger! | 2024 | Eigen Urabe (voice) |
| TOUKEN RANBU KAI KYODEN | 2024 | Yagen Tōshirō (voice) |
| The Demon Prince of Momochi House | 2024 | Hayato Hidaka (voice) |
| Scott Pilgrim Takes Off | 2023 | Anime Boy (voice) |
| Shangri-La Frontier | 2023 | Orcelott (voice) |
| Undead Murder Farce | 2023 | Bernt (voice) |
| Horimiya: The Missing Pieces | 2023 | Toru Ishikawa (voice) |
| Insomniacs After School | 2023 | Tao Ukegawa (voice) |
| The Ice Guy and His Cool Female Colleague | 2023 | Kankodori (voice) |
| More than a Married Couple, but Not Lovers | 2022 | Jiro Yakuin (voice) |
| The Eminence in Shadow | 2022 | Cid Kagenou / Shadow (voice) |
| Caressing My Hibernating Bear | 2022 | Watari (voice) |
| Aoashi | 2022 | Soichiro Tachibana (voice) |
| Tomodachi Game | 2022 | Best Friend A (voice) |
| Rumble Garanndoll | 2021 | Hosomichi Kudou (voice) |
| The Vampire Dies in No Time | 2021 | Kei Kantarou (voice) |
| How a Realist Hero Rebuilt the Kingdom | 2021 | Gatsby Colbert (voice) |
| 86 EIGHTY-SIX | 2021 | Raiden Shuga (voice) |
| EDENS ZERO | 2021 | Cure (voice) |
| Suppose a Kid from the Last Dungeon Boonies Moved to a Starter Town? | 2021 | Alan (voice) |
| Wandering Witch: The Journey of Elaina | 2020 | Gatekeeper A (voice) |
| Appare-Ranman! | 2020 | Kosame (voice) |
| Gal & Dino | 2020 | Shouta (voice) |
| Case File N° 221: Kabukicho | 2019 | James Moriarty (voice) |
| Ascendance of a Bookworm | 2019 | Cornelius (voice) |
| Ahiru no Sora | 2019 | Rokuro Hirai (voice) |
| Lord El-Melloi II's Case Files {Rail Zeppelin} Grace note | 2019 | Svin Glascheit (voice) |
| Demon Slayer: Kimetsu no Yaiba | 2019 | (voice) |
| That Time I Got Reincarnated as a Slime | 2018 | Phobio (voice) |
| HANEBADO! | 2018 | Gaku Isehara (voice) |
| Lost Song | 2018 | Henry Leobort (Voice) |
| How to Keep a Mummy | 2018 | Taichi Tatsuaki (voice) |
| BLEND-S | 2017 | Customer (voice) |
| The Ancient Magus' Bride | 2017 | Rían Scrimgeour (voice) |
| Classroom of the Elite | 2017 | Ikuto Kiriyama (voice) |
| Tsuredure Children | 2017 | Chiaki Uchimura (voice) |
| Katsugeki: Touken Ranbu | 2017 | Yagen Toushirou (voice) |
| Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria | 2017 | Villy (voice) |
| Eromanga Sensei | 2017 | Chris Yamada (voice) |
| Seiren | 2017 | Cameraman (voice) |
| Orange | 2016 | Kakeru Naruse (voice) |
| And You Thought There Is Never a Girl Online? | 2016 | Cloud |
| BBK/BRNK | 2016 | Dersu Nizhny (voice) |
| Girls Beyond the Wasteland | 2016 | Buntarou Houjou (voice) |
| Haruchika – Haruta & Chika | 2016 | Keisuke Katagiri (voice) |
| Is It Wrong to Try to Pick Up Girls in a Dungeon? | 2015 | Lissos (voice) |
| The Irregular at Magic High School | 2014 | Terrorist (voice) |
| Walkure Romanze | 2013 | Takahiro Mizuno (voice) |
| White Album 2 | 2013 | Courier (voice) |
| Strike the Blood | 2013 | Rui Miyazumi (voice) |
| Nagi-Asu: A Lull in the Sea | 2013 | Jin Iimori (voice) |
| A Certain Scientific Railgun | 2009 | Anti-Skill (voice) |
| Black Butler | 2008 | Edward Midford (voice) |