Mark Saturno is an American voice actor known for his work in anime dubbing. He is also professionally known by his full name, Marc Diraison, and has worked extensively for studios such as 4Kids Entertainment, NYAV Post, and Bang Zoom! Entertainment. One of his confirmed roles is providing the voice for the character Dr. Clash in the anime series F-Zero Falcon Densetsu, which was released in English as F-Zero GP Legend. In that same series, he also voiced the characters Antonio Guster and a young Silver Neelsen.

Beyond his work in the F-Zero anime, Saturno has a broad career with many significant voice roles. He is widely recognized as the English voice of Guts, the protagonist of the dark fantasy series Berserk, across various adaptations including the original anime and the Golden Age Arc film trilogy. He was also the voice of Roronoa Zolo (the 4Kids dub name for Zoro) in the early English adaptation of One Piece. His other major anime roles include Tokiomi Tohsaka in Fate/Zero, Akihiko Kayaba in Sword Art Online, Kalin Kessler in Yu-Gi-Oh! 5Ds, and Wilhelm van Astrea in Re:Zero -Starting Life in Another World-.

Throughout his career, Saturno has been involved in recurring collaborations with several voice directors and actors, frequently working with Michael Sinterniklaas and Stephanie Sheh. He has served as an ADR voice director and script writer alongside them on multiple projects, including Kurokami: The Animation, Let's Go Tamagotchi!, Slayers Revolution, and the film Welcome to the Space Show. His notable achievements include a prolific career spanning from the early 2000s to the present day, with major roles in long-running franchises like Pokémon, where he voiced characters such as Tyson, Riley, and Ingo, and in video games such as Fire Emblem Heroes and Fire Emblem Echoes: Shadows of Valentia, where he provided the voice for Conrad.