Mark Muñoz is a voice actor known for his extensive work in Tagalog-language dubs of anime series for the Philippine market, as well as some English-language voice roles. His career encompasses a wide range of characters across numerous popular franchises, demonstrating considerable versatility.

Muñoz has provided voices for several main and supporting characters in major anime series. In the series Ultraviolet: Code 044, he voiced the character Luka Bloom. He is also known for his work in Psychic Squad, where he voiced both Kouichi Miyamoto and Shuuji Sakaki. His roles in the mecha genre include voicing the iconic protagonist Kōji Kabuto, as well as Tetsuya Tsurugi and Zeus, in Mazinger Edition Z: The Impact!. He also voiced the character Kyoichi Shido in Idaten Jump.

Muñoz's filmography includes significant roles in long-running and popular series. He was the voice of Misaki Taro and Wakabayashi Genzo in Captain Tsubasa: Road to 2002. In the anime adaptation of Viewtiful Joe, he took on the roles of Blue, also known as Captain Blue, and Jet Black. He had a prominent part in the series Battle Spirits: Shōnen Toppa Bashin, voicing multiple characters including Kakeru "Striker" Nohara, King Uchuuchouten, Kyuusaku Kujō (Number Nine), and Nanao "Seven" Watanabe (Galaxy Seven). He also voiced Ren Krawler in Bakugan Battle Brawlers: Gundalian Invaders.

Beyond the roles listed, his voice work is extensive. He is credited as the voice of Lelouch Lamperouge for a specific English dub of Code Geass: Lelouch of the Rebellion, and as Julius Kingsley and Yukiya Naruse in Code Geass: Akito the Exiled. In the world of sports anime, he voiced Ryuugo Someoka in Inazuma Eleven and Goro Honda (also known as Goro Shigeno) in Major. Other notable roles include Yamazaki Sagaru in Gintama, Adam Blade in Needless, Rikuo Nura in Nura: Rise of the Yokai Clan, Loid Forger in the Tagalog dub of Spy×Family, and Black Jack in the anime of the same name. He also voiced Mamoru Chiba/Tuxedo Mask in the ABS-CBN dub of Sailor Moon S.

His work also extends to live-action adaptations and animated series. He voiced the character Suzuki in the live-action films Gantz and Gantz: Perfect Answer. His English-language credits include the role of Leo in the animated series Ulysses: My Name is Nobody.