Yoichi Numata was a Japanese film and television actor, recognized for his work in the horror and action genres. He was born on July 19, 1924, in Okayama Prefecture, Japan. He passed away on April 29, 2006, at the age of 81.

Numata’s career as a screen actor spanned over five decades, beginning in the late 1940s. He appeared in numerous films and television dramas from 1949 to 2001. While he performed primarily in live-action productions, he is known for several prominent roles in iconic Japanese horror films. He played the character Takashi Yamamura in the 1998 film Ring and its 1999 sequel Ring 2. These films, directed by Hideo Nakata, were major international successes and pivotal works in the J-horror genre. Numata also portrayed the character Kuka in the 2001 post-apocalyptic action film The Princess Blade (Shura Yukihime).

Beyond the roles cited in the query, Numata's extensive filmography includes a variety of characters across different genres. His early work includes roles in films such as Vacuum Zone (1952) and the critically acclaimed The Burmese Harp (1956), which was directed by Kon Ichikawa. He also appeared in the classic kaiki (eerie) film Jigoku (Hell) in 1960, directed by Nobuo Nakagawa. In addition to his film work, Numata made numerous guest appearances on television series, including episodes of the influential tokusatsu series Ultraman Q (1966), Kamen Rider X (1974), and the historical drama Mito Kōmon. However, there is no evidence to suggest that Yoichi Numata had a significant career as a voice actor in anime. The available records firmly identify him as a screen actor working primarily in live-action film and television throughout his career.