Daijirou Kawaoka is a Japanese actor and voice actor born on March 14, 1978, in Osaka, Japan. He began his entertainment career in 1997 after winning an audition, making his debut in the film "Time Leap". His early rise to prominence was marked by a role in the popular 1997 Fuji Television drama "Beach Boys".

While Kawaoka has established himself as a television and film actor, his profile includes work in voice acting and narration. In live-action, his representative works include the 2005 film "Summer Time Machine Blues" and the television drama "Emergency Room 24 Hours" season 3, also from 2005. He has also taken on roles in period pieces, such as the 2010 NHK television drama "Ryomaden". His versatility extends to other genres, with appearances in projects like the tokusatsu series "Kikai Sentai Zenkaiger" and films such as "Shinsengumi of the Dead".

In the realm of voice acting, Kawaoka is notably recognized for his role as Eiji in the 2009 short film "Ring of Gundam". This project, created by Gundam franchise creator Yoshiyuki Tomino, was a special production commemorating the 30th anniversary of the Gundam series. In the film, which blends computer graphics with traditional animation, he voiced the protagonist, an Earth Federation Forces member who discovers a mysterious object. This role places him within the vast history of the Gundam franchise. Information regarding other major voice roles, recurring collaborations with specific directors or voice actors, and notable achievements specifically within the voice acting industry is limited.