The highly anticipated live-action adaptation of the hit anime and manga Oshi no Ko has assembled a cast that promises to bring the story’s captivating characters to life with remarkable authenticity.

From established actors to rising stars, the Oshi no Ko live-action cast boasts a diverse range of talent, each bringing their unique energy to the project.

Oshi no Ko character Ai Hoshino seen performing in season 1 as the featured image for ONE Esports' article "Oshi no Ko soundtrack: All opening and ending songs"
Credit: Doga Kobo, Sentai Filmworks, Aka Akasaka, ONE Esports
Oshi no Ko soundtrack: All opening and ending songs

Oshi no Ko is set to have a live-action double feature in 2024, with both a TV show and a theatrical release. Produced by Toei Company and Amazon Prime Video, this live-action adaptation dives into the whirlwind world of idols and reincarnation.

What is Oshi no Ko about?

Oshi no Ko's main cast — Hoshino Ai, Hoshino Aqua, Hoshino Ruby, Kurokawa Akane and Mem-cho
Credit: ONE Esports, Doga Kobo, Aka Akasaka

Oshi no Ko, a manga series written by Aka Akasaka and illustrated by Mengo Yokoyari, began serialization in Shueisha’s Weekly Young Jump magazine on April 23, 2020. In 2022, an anime adaptation was announced, produced by Doga Kobo, and it premiered on April 12, 2023.

A doctor named Gorou Amamiya finds himself reborn as Aqua Hoshino, the son of his favorite idol, Ai, after a tragic accident.

Shotaro Kaneda from Akira anime and rapper Doja Cat in ONE Esports featured image for article "10 anime references in rap music that only true otakus will understand"
Credit: ONE Esports
10 anime references in rap music that only true otakus will understand

Reborn with his past life memories intact, Aqua vows to protect his new mother’s legacy. He’s not alone, as his twin sister Ruby also carries a mysterious connection to Ai’s past.

If you’re ready to dive into the franchise’s drama adaptation, here is all the information you need to know about the Oshi no Ko live-action cast.

All Oshi no Ko live-action cast members

Asuka Saito as Ai Hoshino

Oshi no Ko live action cast member Asuka Saito as Ai Hoshino
Credit: Amazon Prime, Toei Company

Ai Hoshino, the popular idol and leader of B-Komachi in Oshi no Ko’s live-action adaptation, is brought to life by actress Asuka Saito. This is a fitting choice for the Oshi no Ko live-action cast, as Asuka herself is a former member of the popular idol group Nogizaka46.

Oshi no Ko cast in featured image for ONE Esports article "Where to read Oshi no Ko manga right now"
Credit: ONE Esports, Doga Kobo
Where to watch Oshi no Ko right now

Beyond her idol experience, Asuka brings established acting credentials to the role. She’s known for portraying characters like Mana Hayase (You Are the Apple of My Eye), Midori Asakusa (Keep Your Hands Off Eizouken!), and Reika Tosu (My Home Hero). Her extensive commercial experience adds another layer to her ability to embody the charismatic Ai.

Kaito Sakurai as Aqua Hoshino

Oshi no Ko live action cast member Kaito Sakurai as Aqua Hoshino
Credit: Amazon Prime, Toei Company

Kaito Sakurai steps into the shoes of Aqua Hoshino. This unique character is the reincarnated soul of Ai Hoshino’s former fan, reborn as her child. Despite being a child, Aqua holds the memories of his past life and a deep desire — to protect his mother’s legacy.

Kaito is known for his performance as Kou Mabuchi, the conflicted protagonist in the live-action film Ao Haru Ride. He also tackles the role of Ryu Sanada in the Netflix live-action adaptation of Kimi ni Todoke (From Me to You).

Nagisa Saito as Ruby Hoshino

Oshi no Ko live action cast member Nagisa Saito as Ruby Hoshino
Credit: Amazon Prime, Toei Company

Nagisa Saito joins the Oshi no Ko live-action cast as Ruby Hoshino, the complete opposite of her brother Aqua. Unlike Aqua’s strategic and calculated approach, Ruby is fueled by pure passion and an unrestrained desire for the idol life. Despite her natural talent, Ruby struggles with the immense pressure of following in the footsteps of her deceased mother, the legendary Ai Hoshino.

Kyojuro Rengoku from Demon Slayer, Spirited Away, and Mitsuha Miyamizu and Taki Tachibana from Your Name in ONE Esports featured image for article "The top 10 highest-grossing anime movies of all time"
Credit: ONE Esports
The top 10 highest-grossing anime movies of all time

Nagisa’s background as a former member of the idol group =LOVE undoubtedly adds an extra layer of authenticity to her portrayal of Ruby. Beyond her idol experience, Nagisa Saito has established herself as a talented actress. She’s appeared in various dramas like Saiko no Kyoshi: Ichinengo, Watashi wa Seito ni Sareta (The Best Teacher: In My First Year, I Became a Student), Our Secret Diary, and Tomorrow, I’ll Be Someone’s Girlfriend.

Mizuki Kayashima as Akane Kurokawa

Oshi no Ko live action cast member Mizuki Kayashima as Akane Kurokawa
Credit: Amazon Prime, Toei Company

Mizuki Kayashima joins the cast as Akane Kurokawa, a talented young actress who’s quickly making a name for herself in the industry. Akane is known for her unwavering dedication, sharp intellect, and captivating stage presence. These qualities not only position her as a potential rival for Aqua’s affections but also hint at a complex and multifaceted character.

This casting choice is particularly interesting because it reunites Mizuki with her co-star from the Japanese drama movie Our Secret Diary, Nagisa Saito (who plays Ruby Hoshino). They’ve also shared screen time in other projects like Tomorrow, I’ll Be Someone’s Girlfriend and Saiko no Kyoshi: Ichinengo, Watashi wa Seito ni Sareta.

Nanoka Hara as Kana Arima

Oshi no Ko live action cast member Nanoka Hara as Kana Arima
Credit: Amazon Prime, Toei Company

Nanoka Hara takes on the role of Kana Arima. Kana is a force to be reckoned with—a talented child actress known for her fiery personality and unwavering determination. Her tsundere demeanor might hide a softer side, but one thing’s for sure—Kana is not afraid to work hard to achieve her goals in the competitive world of entertainment.

While Nanoka Hara may be a new face to some audiences, she’s already making waves in the industry. Notably, she provided the voice of Suzume Iwato, the lead character in Hayao Miyazaki’s critically acclaimed film, Suzume no Tojimari.

Ano as Mem-cho

Oshi no Ko live action cast member ano as Mem-Cho
Credit: Amazon Prime, Toei Company

The Oshi no Ko live-action cast makes a unique choice, with singer-songwriter Ano portraying Mem-cho. Mem-cho, the third member of the revived idol group B-Komachi, is a relatable character who missed her chance at achieving idol stardom due to life’s twists and turns.

Ano is a talented singer known for her powerful vocals. She’s the voice behind popular anime theme songs like Chu, Tayousei from Chainsaw Man, and ZeZeZeZettai Seiiki from Dead Dead Demons Dededede Destruction. Interestingly, Ano also voices the main character, Ouran Nakagawa, in Dead Dead Demons Dededede Destruction.

OSHI NO KO LIVE ACTION CASTROLE
Asuka SaitoAi Hoshino
Nagisa SaitoRuby Hoshino
Kaito SakuraiAqua Hoshino
Mizuki KayashimaAkane Kurokawa
Nanoka HaraKana Arima
Ano (Shimizu Ayano)Memcho

READ MORE: Oshi no Ko live-action release dates for the movie and TV show