Damien Hartmann is a French voice actor born in Nancy, France on April 27, 1987, who has built a extensive career in dubbing and voice-over work. He began his artistic journey by studying theater at the prestigious Cours Florent school in Paris, which led to his entry into the world of voice acting.

In the realm of anime dubbing, Hartmann is notably recognized as the French voice of Koyomi Araragi in the acclaimed Monogatari series, including Bakemonogatari and Nisemonogatari, with the dubbing directed by Karl-Line Heller at O'Bahamas studios. He also lent his voice to the character Fubuki Samejima in the science fiction series 7SEEDS, which was dubbed by BTI Studios under the direction of Réjane Schauffelberger. His other significant anime roles include voicing Sōsuke Sagara in Full Metal Panic! The Second Raid and providing voices for the human characters in the animated series Les Lapins Crétins: Invasion.

Beyond anime, Hartmann has an extensive portfolio in video game voice acting, with credits in numerous major franchises. His work includes voicing Will Irons in Call of Duty Advanced Warfare, Cyborg in Lego Batman 3, Star Lord in Marvel Heroes, and characters in Halo 5: Guardians, Tom Clancy's Rainbow Six Siege, Diablo III, and World of Warcraft. In film dubbing, he has been the regular French voice for actors such as Chris Marquette, Scott Eastwood, and Jay Galloway, with notable credits including Le Rite, Gangster Squad, and Une Nouvelle Chance.

Hartmann's voice is also familiar to French audiences through his extensive radio and television work. He has served as an on-air voice for major stations including Voltage, Vibration, Wit FM, and previously for channels like MCM, Canal J, and MTV. His television credits include work as a voice-over for programs on TF1, M6, and Discovery Channel, and he appeared as an imitator on the France 2 program Seriez-vous un bon expert? alongside Julien Courbet.