Eiji Akaso

Eiji Akaso

Known for Acting · 55 credits

Born
1994-03-01 (age 32)
Place of birth
Aichi, Japan
Also known as
赤楚 衛二

Biography

Akaso Eiji is a Japanese actor and model, known for playing Ryuga Banjou in Kamen Rider Build. He is currently represented by Tristone Entertainment.

He belonged to the Nagoya model office "FORM JAPAN" when he was in his teens. He was active as a model and talent under the name Mamoru Akaso (赤楚 衛, Akaso Mamoru). In 2010, he joined the local idol group "BOYS AND MEN" in Nagoya, working on stage performances and regular appearances of variety shows. Eiji is said to have left "BOYS AND MEN" in 2011. Originally, he entered the entertainment agency because he wanted to be an actor and not an idol.

He won the Grand Prix at the men's model audition of Samantha Thavasa in 2013, which became the turning point for him to audition in Tokyo at the age of 19. The trigger that lead Eiji to drop out of university and to enter the world of entertainment was a call from the CEO of his current agency in 2014. In 2015, he transferred to his current agency Tristone Entertainment, working as an actor and starring in television dramas and films in his current stage name

Known For

TV Shows (26)

Movies (29)

Kamen Rider Heisei Generations Forever
Movie

Kamen Rider Heisei Generations Forever

2018

as Ryuuga Banjou / Kamen Rider Cross-Z

KINKI
Movie

KINKI

2025

as Ozawa Yusei

Kamen Rider Build The Movie: Be The One
Movie

Kamen Rider Build The Movie: Be The One

2018

as Ryuuga Banjou · Kamen Rider Cross-Z

Zom 100: Bucket List of the Dead
Movie

Zom 100: Bucket List of the Dead

2023

as Akira Tendo

Kyojo Reunion
Movie

Kyojo Reunion

2026

The Great Yokai War: Guardians
Movie

The Great Yokai War: Guardians

2021

as Amanojaku

Closest Love to Heaven
Movie

Closest Love to Heaven

2017

as Schoolmate

Love Me, Love Me Not
Movie

Love Me, Love Me Not

2020

as Kazuomi Inui

Cherry Magic! THE MOVIE
Movie

Cherry Magic! THE MOVIE

2022

as Kiyoshi Adachi

Love Me, Love Me Not
Movie

Love Me, Love Me Not

2020

as High School Boy (voice)

Kamen Rider Build NEW WORLD: Kamen Rider Cross-Z
Movie

Kamen Rider Build NEW WORLD: Kamen Rider Cross-Z

2019

as Ryuga Banjou / Kamen Rider Cross-Z

Kamen Rider Build NEW WORLD: Kamen Rider Grease
Movie

Kamen Rider Build NEW WORLD: Kamen Rider Grease

2019

as Ryuga Banjou / Kamen Rider Cross-Z

Super Hero Festival: Kamen Rider x Super Sentai Live & Show 2018
Movie

Super Hero Festival: Kamen Rider x Super Sentai Live & Show 2018

2018

as Self / Kamen Rider Cross-Z (voice)

Tales of the Bizarre: 2021 Fall Special
Movie

Tales of the Bizarre: 2021 Fall Special

2021

Kamen Rider Amazons Season 2 the Movie: Reincarnation
Movie

Kamen Rider Amazons Season 2 the Movie: Reincarnation

2018

as Hiroki Nagase

366 Days
Movie

366 Days

2025

as Minato Makiya

My Long Awaited Love Story
Movie

My Long Awaited Love Story

2017

Tokyo MER: Mobile Emergency Room - Capital Crisis
Movie

Tokyo MER: Mobile Emergency Room - Capital Crisis

2026

Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend Riders
Movie

Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend Riders

2017

as Ryuuga Banjou / Kamen Rider Cross-Z

What If Shogun Ieyasu Tokugawa Was to Become the Prime Minister
Movie

What If Shogun Ieyasu Tokugawa Was to Become the Prime Minister

2024

as Ryoma Sakamoto

Six Lying University Students
Movie

Six Lying University Students

2024

as Shogo Hatano

Commuting to School Series On the Way to School
Movie

Commuting to School Series On the Way to School

2015

The Sunday Runoff
Movie

The Sunday Runoff

2022

Keep Your Hands Off Eizouken!
Movie

Keep Your Hands Off Eizouken!

2020

as Kobayashi

Hakutaka Shirataka Amane no Investigation File
Movie

Hakutaka Shirataka Amane no Investigation File

2021

as Uzuka Shinsaku

Kamen Rider Build: Birth! Bear Televi!! VS Kamen Rider Grease!
Movie

Kamen Rider Build: Birth! Bear Televi!! VS Kamen Rider Grease!

2018

as Ryuga Banjo / Kamen Rider Cross-Z

Kamen Rider Build: Special Event
Movie

Kamen Rider Build: Special Event

2018

as Ryuga Banjou / Kamen Rider Cross-Z

Kamen Rider Build: Final Stage
Movie

Kamen Rider Build: Final Stage

2019

as Ryuga Banjou / Kamen Rider Cross-Z

One Year to Live, Buy a Man
Movie

One Year to Live, Buy a Man

About Eiji Akaso

Akaso Eiji is a Japanese actor and model, known for playing Ryuga Banjou in Kamen Rider Build. He is currently represented by Tristone Entertainment. He belonged to the Nagoya model office "FORM JAPAN" when he was in his teens. He was active as a model and talent under the name Mamoru Akaso (赤楚 衛, Akaso Mamoru). In 2010, he joined the local idol group "BOYS AND MEN" in Nagoya, working on stage performances and regular appearances of variety shows. Eiji is said to have left "BOYS AND MEN" in 2011. Originally, he entered the entertainment agency… With 55 credits spanning from 1971 to 2026, Eiji Akaso has appeared in 29 films and 26 TV shows.

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