Nicolas Djermag is a French actor whose career encompasses theater, film, television, and voice work. He was trained at the École Claude Mathieu, from which he graduated in 1997, and also studied under Jean-Laurent Cochet. His foundation in performance is deeply rooted in classical and contemporary theater, with a repertoire that includes works from Beaumarchais and Shakespeare to Brecht and Anouilh.

In the realm of voice acting, Djermag is regularly active in dubbing for French-language versions of films and television series. He also lends his voice to documentary narrations and audiobooks. A notable example of his anime voice work is the role of Ryûji Morisaki, the substitute teacher, in the French dub of Makoto Shinkai's 2011 fantasy film Children Who Chase Lost Voices, also known as Voyage vers Agartha. His voice acting in animation also includes the character of Shion in both seasons of the series Saint Seiya: The Lost Canvas, which were released in France in 2009 and 2011.

Beyond animation, Djermag's voice can be heard in dubbing for a wide array of live-action television series. His credited roles include voicing characters in popular shows such as Arrow, Dawson's Creek, iZombie, Manifest, Scandal, The Strain, and The Vampire Diaries. He also provided the French voice for the character Thorne Forrester in the long-running soap opera Amour, Gloire et Beauté. In addition to dubbing, his voice work extends to audiobook narration, as demonstrated by his performance in the 2022 audio version of William Gibson's novel Comte Zero.

Parallel to his voice acting career, Nicolas Djermag continues to perform on screen and stage. His on-screen credits include roles in the film Tirailleurs (2022) and the television series Engrenages, Paris enquêtes criminelles, and Baron Noir, among many others. His extensive stage work remains a significant part of his professional activity.