Mark Ishii

Mark Ishii (石井マーク) is a Japanese voice actor who was affiliated with Space Craft Entertainment but changed to Just Professional from 2016 to 2019. Ishii is the son of a Japanese father and Filipino mother. He is the former husband of voice actress Atsuko Enomoto. Ishii is best known for his role as Chrono Shindou in the Cardfight!! Vanguard G series, Lev Haiba in Haikyu!! and as Bellri Zenam in Gundam Reconguista in G.

On December 27, 2019, Just Production announced that it ended its contract with Ishii and that he has been diagnosed with a maladjustment and is in poor physical health. Ishii will take a hiatus from voice acting in order to improve his health.

On July 1, 2020, Ishii announced that he was returning to the voice acting industry after a 7-month hiatus, signing with the agency Aksent.

On February 1, 2023, a staff Twitter account for Ishii was opened, which then later became Ishii's own account. On July 1 of the same year, it was announced that Ishii has signed with the agency Mol+0.

Early life and education
Ishii is of Japanese Filipino ethnicity. He lived in the Philippines for four years during his early childhood but returned to Japan for his school education. He was also a member of his junior high school tennis club. During his junior high school days he played a game called .hack//G.U. and became a fan of Takahiro Sakurai who inspired him to become a voice actor. After graduating from high school, Ishii went to the Tokyo Announcement Academy where he studied to become a voice actor.

Personal life
On March 6, 2016, he announced his marriage to Atsuko Enomoto. Ishii stated that the reasons he and Enomoto agreed to get married include their shared interests and many commonalities. They divorced in 2018.