Junichi Okada is a Japanese actor, voice actor, and singer born on November 18, 1980, in Osaka Prefecture. He began his entertainment career in 1995 after joining the Johnny & Associates talent agency and became a member of the popular group V6, with which he debuted as a singer. His career subsequently expanded to include extensive work in live-action television and film, for which he has received numerous accolades, including multiple Japanese Academy Awards.

While primarily known for his on-screen roles, Okada has also contributed his voice to animated projects, most notably in two high-profile films from Studio Ghibli. He voiced the lead role of Prince Arren in the 2006 film Tales from Earthsea, directed by Gorō Miyazaki. He later took on the dual role of Shun Kazama and his biological father Yuichiro Sawamura in another Gorō Miyazaki film, From Up on Poppy Hill, released in 2011. These two Studio Ghibli productions stand as his most prominent and widely recognized credits in the field of anime voice acting. Information on additional regular or recurring voice roles in anime series or other animated projects is not documented in the available sources.