
Masaaki Ihara
Known for Acting · 36 credits
- Place of birth
- Osaka, Japan
- Also known as
- いはら まさあき · 伊原 正明
Biography
Masaaki Ihara (伊原 正明, Ihara Masaaki, born July 5) is a Japanese seiyū (voice actor) from Osaka Prefecture who is affiliated with Ken Production.
He graduated from the 15th upper class of School Duo, a training school for voice actors attached to Ken Production. His special skills are rugby, English conversation, and Osaka dialect. His hobbies include watching horror movies and listening to Showa era songs and chiptunes.
Known For

Chihayafuru
2011
as Spectator (voice) / Suihoku Karuta Society Member (voice) / Scorekeeper (voice)

Attack on Titan
2013
as People (voice) / Detlev (voice) / Comrade D (voice) / Resident (voice) / Officer (voice) / Survey Corps Soldier (voice)

To Your Eternity
2021
as Kolkoda (voice)

Kaiju No. 8
2024
as Takao (voice)

The Case Study of Vanitas
2021
as Invited guest B (voice)

Tengoku Daimakyo
2023
as Resident (voice) / Kiriko's Fan (voice)
TV Shows (29)

Chihayafuru
2011
as Spectator (voice) / Suihoku Karuta Society Member (voice) / Scorekeeper (voice)

Attack on Titan
2013
as People (voice) / Detlev (voice) / Comrade D (voice) / Resident (voice) / Officer (voice) / Survey Corps Soldier (voice)

To Your Eternity
2021
as Kolkoda (voice)

Kaiju No. 8
2024
as Takao (voice)

The Case Study of Vanitas
2021
as Invited guest B (voice)

Tengoku Daimakyo
2023
as Resident (voice) / Kiriko's Fan (voice)

The Heike Story
2022
as Ox (voice)

T・P BON
2024
as Kobayashi (voice) / Thief B (voice) / Phaeacus (voice) / Customer A (voice) / Commander of the Persian Military (voice) / Billy Clanton (voice) / Uncle (voice) / Hunter's Companion C (voice) / Captain (voice) / Shopkeeper (voice) / Villager C (voice) / Gladiator (voice)

My Hero Academia
2016
as Man (voice)

Zom 100: Bucket List of the Dead
2023
as Zombie Sliced in Half (voice)

The Fire Hunter
2023
as Shouzou's Father (voice) / Butler (voice) / Fire Hunter (voice) / Supervisor (voice) / Crew Member (voice) / Mob (voice)

Gachiakuta
2025
as Muscular Man (voice)

PLUTO
2023
as Robot Soldier (voice)

In Another World with My Smartphone
2017
as Olba Strand (voice)

The Saint's Magic Power Is Omnipotent
2021
as Male shopkeeper (voice)

Keep Your Hands Off Eizouken!
2020
as Student (voice)

I've Been Killing Slimes for 300 Years and Maxed Out My Level
2021
as Store Customer A (voice)

Orb: On the Movements of the Earth
2024
as Beggar (voice)

The Fable
2024
as Man from the Organization 2 (voice)

Wandering Witch: The Journey of Elaina
2020
as Macho's brother (voice)

Undead Murder Farce
2023
as Reporter (voice)

Devilman Crybaby
2018
as Captain (voice)

When Will Ayumu Make His Move?
2022
as Urushi's Grandfather (voice)

MARS RED
2021
as Lieutenant General Ishiyama (voice) / Ambassador to Japan (voice)

As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
2024
as Furniture craftsman (voice)

Pokémon: Twilight Wings
2020
as Researcher E (voice) / Guard (voice) / Commentator / Kairiky (voice)

The Legendary Hero Is Dead!
2023
as Villager (voice) / Punitive Force (voice)

Solo Camping for Two
2025
as Izakaya Customer (voice)

Wash It All Away
2026
as Deliveryman (voice)
Movies (7)

Josee, the Tiger and the Fish
2020
as Additional Voices (voice)

My Hero Academia: Heroes Rising
2019
as Doctor (voice)

Drifting Home
2022
as Yuta Kumagaya (voice)

Rascal Does Not Dream of a Sister Venturing Out
2023
as Principal (voice)

Legend of the Galactic Heroes: Die Neue These - Intrigue 1
2022
as Military Physician

Lupin the Third: Goodbye Partner
2019
as Special Command Captain (voice)

Fastening Days 2
2016
as Kelly's Father (voice)
About Masaaki Ihara
Masaaki Ihara (伊原 正明, Ihara Masaaki, born July 5) is a Japanese seiyū (voice actor) from Osaka Prefecture who is affiliated with Ken Production. He graduated from the 15th upper class of School Duo, a training school for voice actors attached to Ken Production. His special skills are rugby, English conversation, and Osaka dialect. His hobbies include watching horror movies and listening to Showa era songs and chiptunes. With 36 credits spanning from 2011 to 2026, Masaaki Ihara has appeared in 7 films and 29 TV shows.
Fans searching for Masaaki Ihara movies, Masaaki Ihara filmography, or the latest projects starring Masaaki Ihara can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Masaaki Ihara Movies
- Josee, the Tiger and the Fish (2020) — as Additional Voices (voice)
- My Hero Academia: Heroes Rising (2019) — as Doctor (voice)
- Drifting Home (2022) — as Yuta Kumagaya (voice)
- Rascal Does Not Dream of a Sister Venturing Out (2023) — as Principal (voice)
- Legend of the Galactic Heroes: Die Neue These - Intrigue 1 (2022) — as Military Physician
Where to Watch Masaaki Ihara Films
Most Masaaki Ihara movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Masaaki Ihara, check our movies catalogue and browse page.