The name John Hammond is primarily known as a pseudonym for the American voice actor Beau Billingslea. This alias was used for his performance as the character Dee Jay in the English dub of the Fighter II: The Animated Movie.

Beau Billingslea, whose career as an actor and voice actor began in 1976, is a prolific figure in the anime localization industry. His most celebrated role is the character Jet Black, the captain of the Bebop spaceship, in the internationally acclaimed series Cowboy Bebop. Beyond this iconic performance, his extensive voice credits include a wide range of significant roles across many popular anime series. His work includes Edrad Liones in Bleach, Homura and the Fourth Raikage, A, in the Naruto franchise, and Ben Jackson in Tiger & Bunny. Other notable roles include G. Junior in Cyborg 009, Col. Millard Johnson in Macross Plus, and Richard Lunland in Mobile Suit Gundam 0080: War in the Pocket.

Billingslea has worked consistently in the industry for decades, often taking on roles that require a deep, authoritative voice, such as military officers, seasoned warriors, and gruff but dependable mentors. His long-term collaboration with various dubbing studios in Los Angeles has made him a familiar presence in anime from the 1990s through to the modern era. In addition to the John Hammond alias, some of his early credits also appear under the names John Billingslea and John Daniels.