Hiroshi Tamaki is a Japanese actor, singer, and model from Nagoya, Japan. When he was still in high school, he was discovered by a talent agent while out shopping with friends. He made his debut in the drama Am I Weird? in 1998. Tamaki became more well-known with his appearance in the 2001 film Waterboys.
His singing career debuted with the single "Seasons" in summer 2004.
He was cast as Shinichi Chiaki for the drama Nodame Cantabile, which aired in Japan on Fuji TV on October 16, 2006.
He starred in the revival of the Iron Chef Japanese cooking show on Fuji TV in October 2012, portraying the chairman of the Kitchen Stadium.