Ryosuke Takahashi is a Japanese actor and voice actor, born on May 14, 1984, in Tokyo. He is affiliated with the talent agency Swallow. His career began in live-action television and film before he transitioned into voice acting for anime.

Takahashi's entertainment career commenced in 2004 with a role in the television drama Water Boys2. He gained recognition as a live-action actor through his leading role as Takuto Ando, the hero Lio Sazer, in the 2005 tokusatsu series Chousei Kantai Sazer-X. He continued to appear in various television dramas and later focused heavily on stage performance, taking on both acting and directing roles in theater.

Around 2018, Takahashi expanded his focus to include voice acting in anime. One of his earliest and most prominent anime roles was Samurai Calibur in the 2018 series SSSS.Gridman. He later reprised this role for the SSSS.Gridman stage play and the 2023 animated film Gridman Universe. The following year, he voiced Tony McBee in the 2019 anime Cop Craft. He has also voiced the character Yūsha (Hero) in the series Snack Basue.

His filmography includes a wide range of supporting roles in various anime series. Notable credits include Reiichi Kure in Kengan Ashura, Beta in Battle Athletes Victory ReSTART!, Garf in Farming Life in Another World, and roles in major productions such as Vinland Saga, Fate/Grand Order - Absolute Demonic Front: Babylonia, and Bleach: Thousand-Year Blood War. Beyond anime, his voice work extends to video games like Super Robot Wars 30 and dubbing for foreign live-action films.

Takahashi has maintained a parallel career in live-action tokusatsu and drama, with appearances in Kamen Rider Wizard, Ultraman Trigger: New Generation Tiga, and the 2023 V-Cinema Revice Forward: Kamen Rider Live & Evil & Demons. His versatility allows him to take on roles across animation, live-action television, film, and stage productions.