Thomas Balou Martin is a German actor and voice artist, born in Stuttgart on October 27, 1962. He completed his acting training at the Hamburgisches Schauspielstudio Frese, concluding in 1986. Following his training, he gained extensive experience in theatre, performing at venues in Trier, Bern, Tübingen, and the Saarland State Theatre in productions such as Kabale und Liebe and Hamlet.

Since the mid-1990s, Martin has worked as a freelance actor, becoming a familiar face in German television through numerous appearances in series and films. He is known for his long-running roles in popular German TV series, including a 17-episode stint as public prosecutor Dr. Scheer in the Tatort crime series and 76 episodes in the long-running series Der Landarzt. He also hosted the hr-fernsehen quiz and comedy show Dings vom Dach from 2005 to 2010.

Alongside his on-screen career, Martin has built a substantial body of work as a voice actor, lending his voice to characters in numerous international film and television productions for the German market. His voice work includes dubbing for live-action roles and providing the German voices for characters in animated series, films, and video games. His specialization as a speaker and dubbing actor is a noted part of his professional profile.

In the realm of anime and animation, Thomas Balou Martin has contributed his voice to several notable German-dubbed productions. In the 2019 anime film Sayonara, Tyranno, he voiced the character Gorgo. For the 2022 fantasy film The Deer King, he provided the German voice for the character Prinz Utal. He is also the German voice for the character Gareth Landrock, originally voiced by Kenji Nomura, appearing in both the Is It Wrong to Try to Pick Up Girls in a Dungeon? franchise and its spin-off, Sword Oratoria: Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side. Another of his anime dubbing credits is the role of Minamoto no Tokitomo in the film Harukanaru Toki no Naka de 2: Shiroki Ryū no Miko, for which he voiced the character originally performed by Kouji Ishii.

Beyond these specific titles, Martin's extensive dubbing portfolio encompasses a wide range of anime series and films. He has voiced characters in major franchises such as Bleach, where he has taken on multiple roles including Jai in Bleach: Memories of Nobody and Marechiyo Omaeda in Bleach: Fade to Black. Other credits include Bodoro in Hunter x Hunter, Isaac McDougal in Fullmetal Alchemist: Brotherhood, and Gang Orca in My Hero Academia: World Heroes' Mission. His work also extends to video game voiceovers, with credits including titles like Transformers, Assassin's Creed, and Dead Space 3.

In addition to his on-screen and dubbing work, Martin is an active narrator for documentaries and an extensively credited audiobook and radio play speaker. He has narrated the German versions of numerous audiobook series, including Ethan Cross's Shepherd series and works from the Gruselkabinett and Sherlock Holmes radio play series. His voice is also heard in documentary productions for broadcasters such as n-tv.