The information available about Bin Moritsuka as an anime voice actor is extremely limited, as his career was focused primarily on stage and screen acting. He is credited with a single voice role in animation.

The individual known as Bin Moritsuka was a Japanese actor born on October 1, 1926, in Tokyo. He was a foundational figure in the Japanese theater world, having co-founded the theater company Gekidan Seinenza in 1954 after beginning his career with Haiyuza. He served as the chairman of his company and held leadership positions in various industry organizations. Moritsuka had a prolific career spanning five decades, appearing in numerous television dramas, particularly in jidaigeki period pieces, and films. He passed away on June 19, 2006.

His sole confirmed credit in the field of voice acting for animation is the role of Abe no Yasunari in the 1968 animated film Kyūbi no Kitsune to Tobimaru. Beyond this single credit, there is no information available about other voice roles, recurring collaborations with specific directors or studios in the anime industry, or notable achievements within the field of voice acting. His extensive performance history is otherwise exclusively in live-action television and film.