Mark Ishii (born November 21, 1991 in Chiba Prefecture) is a Japanese-Filipino voice actor. He's initially affiliated with Space Craft Entertainment until he transferred to Just Produce from 2016 to 2019. He's currently affiliated with Aksent. He's known for his roles as Chrono Shindou in the Cardfight!! Vanguard G series and as Bellri Zenam in Gundam: Reconguista in G. He won Best New Actor Award at the 2019 Seiyuu Awards.
He used to live in the Philippines for four years in his early childhood until he returned to Japan. He's a fan of Takahiro Sakurai after playing .hack//G.U. which inspired him to become a voice actor.
He married fellow voice actress Atsuko Enomoto in 2016 until they divorced in 2018. In December 2019, he went on a 7-month hiatus from his career to improve on his health after being diagnosed with maladjustment. He eventually returned to his voice acting career in 2020.
Notable roles:
- Akira Nonomura in Battery
- Bellri Zenam in Gundam: Reconguista in G
- Chrono Shindou in Cardfight!! Vanguard G
- Garfield "Gar" Logan/Beast Boy in the Japanese dub of Titans (2018)
- Elsam in Granblue Fantasy (substituted by Mitsuhiro Ichiki during the aforementioned hiatus)
- Lev Haiba in Haikyuu!!
- Nanao Kichijo in On Air! (darrin'd by Gakuto Kajiwara due to health reasons)
- Sei in Eroica
- Yasuhito Inaba in Tsuki ga Kirei
