Shunsuke Kazama is a Japanese actor and voice actor born on June 17, 1983, in Tokyo, Japan. He began his entertainment career in 1997 when he joined the Johnny & Associates talent agency (now SMILE-UP.) as a trainee, making his stage debut that same year. His career has since spanned live-action television, film, stage, and voice acting.

Kazama's entry into voice acting occurred in 2000 when he was cast as the protagonist Yūgi Mutō and his counterpart Yami Yugi in the long-running anime series Yu-Gi-Oh! Duel Monsters. This role became a defining part of his career, and he has reprised it numerous times over more than two decades. His portrayals of the character include the film Yu-Gi-Oh! The Movie: Pyramid of Light in 2005, the anime series Yu-Gi-Oh! GX, and the 2010 theatrical feature Yu-Gi-Oh! 3D: Bonds Beyond Time. In 2016, he once again lent his voice to Yūgi Mutō for the animated film Yu-Gi-Oh!: The Dark Side of Dimensions, concluding the storyline of the original characters. He has also voiced the character in video games such as Yu-Gi-Oh! Duel Links and Jump Force.

Beyond the Yu-Gi-Oh! franchise, Kazama has taken on other significant voice roles in animation. In 2011, he voiced the character Shirō Mizunuma in the Studio Ghibli film From Up On Poppy Hill, directed by Goro Miyazaki. His performance contributed to the ensemble cast of this acclaimed animated feature.

While voice acting is a notable part of his portfolio, Kazama's career is primarily rooted in live-action performance. He gained early recognition for his role in the television drama Kinpachi-sensei in 1999, for which he won the Nikkan Sports Drama Grand Prix award for Best Newcomer. His acting work has been honored with significant awards, including the Television Drama Academy Award for Best Supporting Actor in 2011 for his role in the series Soredemo, Ikite Yuku. His live-action filmography is extensive, including leading roles in films like Cats Don't Come When You Call and television dramas such as the NHK asadora Jun to Ai.

In December 2023, Kazama departed from SMILE-UP. after 26 years and began working as an independent actor and artist. He continues to be active across both live-action and voice acting mediums.