Nobuyuki Katsube is a Japanese actor and voice actor born on July 19, 1938, in Tokyo, Japan. His career began after he completed the 13th term at the Haiyuza Theatre Company Training School in 1964, and he later joined the En Theater Group in 1978. He began appearing in films in 1967 and has maintained a prolific career across both live-action television and voice acting.

In the world of anime and animation, Katsube has voiced a number of significant characters. He played the role of King of Midland in the film series Berserk: The Golden Age Arc, including The Egg of the King and The Battle for Doldrey, as well as the Memorial Edition. He provided the voice for Professor Isaac Gilmore in the film 009 Re:Cyborg and the role of Mareya Kujou, also known as Keisuke Komatsubara, in the series Persona - Trinity Soul. Another notable anime role is Roberto in the series Monster.

Beyond anime, Katsube is known for his extensive work in dubbing foreign films and series into Japanese. He is the Japanese voice for General Brigham in Edge of Tomorrow and Sentinel Prime in Transformers: Dark of the Moon. His other dubbing roles include Lots-O'-Huggin' Bear in Toy Story 3, Denethor in The Lord of the Rings: The Return of the King, and Ben Parker in Sam Raimi's Spider-Man trilogy. In video games, he has voiced the character Cid Sophiar in Final Fantasy XV. His deep baritone voice has made him a frequent choice for authoritative figures and mentors, as well as antagonists.