Henry Mason is an American voice actor and ADR writer known for his work in anime dubbing and video games, frequently collaborating with studios such as Bang Zoom! Entertainment. Born in New Orleans in 1997, he discovered his passion for voice acting at the age of sixteen, initially recording in a makeshift closet studio. He honed his skills at the National Audio Theater Festival in Kansas City and studied under industry professionals including Lucien Dodge, Crispin Freeman, and Darren Dunstan, as well as at Disney Television Animation studios in Los Angeles. Before establishing himself in animation, Mason gained experience voicing local radio commercials in New Orleans and teaching voice-over lessons remotely. He also created and produced his own audio drama series, That Night On Venom, for which he wrote, directed, and provided over twenty voices. He later moved to New York City to pursue a Bachelor of Fine Arts in Acting from Marymount Manhattan College, graduating in 2020, while continuing voice-over work represented by Arcieri and Associates. During this period, he became a regular voice talent in the electronic dance music scene, lending his voice to artists like Ray Volpe and GO PNIK. He is now based in Los Angeles.

Mason has built a diverse filmography across anime, animation, and video game dubbing. In anime, he is recognized for his role as Good Yosh, the heroic alter ego of Yosh Imimi, in the series Yu-Gi-Oh! SEVENS, a part he also reprised in the video game Yu-Gi-Oh! Rush Duel: Dawn of the Battle Royale!!. He voiced the character Arven in the original net animation Pokémon: Paldean Winds. His other notable anime voice roles include Guccio in JoJo's Bizarre Adventure: Stone Ocean, Kazuhiro Mochizuki in Kuroko's Basketball, Mamoru Izawa in Captain Tsubasa: Junior Youth Arc, Kenji in Vivy -Fluorite Eye's Song-, Yuu in Zom 100: Bucket List of the Dead, and various roles in NieR: Automata Ver 1.1a. He also provided voices for the live-action film dubs of Rurouni Kenshin: The Final and Rurouni Kenshin: The Beginning.

In addition to his on-screen roles, Mason is active in video game voice-over. He has voiced the character Blue in Pokémon Masters, as well as Dark Kuroda in Yu-Gi-Oh! Cross Duel and Fani in Yu-Gi-Oh! Duel Links. His other game credits include Colm in Fire Emblem Heroes.

Beyond performing, Mason has made significant contributions as an ADR writer and adapter, crafting English scripts for numerous anime series. His writing credits include adaptation and script work for major titles such as Demon Slayer: Kimetsu no Yaiba (for the Entertainment District, Mugen Train, and Swordsmith Village arcs), Edens Zero, Engage Kiss, Good Night World, Junji Ito Maniac: Japanese Tales of the Macabre, The Rising of the Shield Hero seasons two and three, Skeleton Knight in Another World, Tiger & Bunny 2, and Zom 100: Bucket List of the Dead. This body of work demonstrates a recurring collaboration with Bang Zoom! Entertainment on many of these English-language adaptations.