Patrick Descamps is a Belgian actor whose career spans theater, film, television, and voice work. Born in Mons, Belgium, he is a graduate of the Conservatoire de Mons, where he earned first prizes in declamation and phonetics. His early career was deeply rooted in theater, where he worked as an actor, director, and professor, including serving as the artistic director of the Théâtre de l'Ancre in Charleroi. This extensive stage background led to numerous accolades, including the Ève du meilleur comédien in 1985 and the Prix Tenue de ville du meilleur comédien in 1996. He transitioned to screen acting in the early 2000s, appearing in a wide array of French and Belgian films and television series.

In addition to his on-screen performances, Descamps has built a substantial career in dubbing, lending his voice to the French-language versions of numerous films and animated series. Within the realm of anime and animation, he is particularly recognized for his long-standing role as Giovanni, the leader of Team Rocket, in the French dub of the Pokémon anime, a character he voiced across multiple series including Pokémon Advanced, Pokémon XY, Pokémon Soleil et Lune, and in the films Mewtwo contre-attaque and Le Retour de Mewtwo. Another notable role is that of the sorcerer Boax in the film Princess Arete, directed by Sunao Katabuchi. His other significant anime credits include Jet Black in Cowboy Bebop, le film, Magneto in X-Men: Evolution, the narrator in Saint Seiya: Soul of Gold, Unicron in Transformers: Prime, and Hajrudin and Riku Doldo III in One Piece.

Descamps' voice work also extends to American animation, where he has voiced characters such as Cogliostro in Spawn, Oncle Ben in Ultimate Spider-Man, and Thanos in Les Gardiens de la Galaxie. His career in dubbing is marked by a frequent association with authoritative or villainous characters, drawing on the vocal gravitas honed through his theater training. Beyond animation, he is also a go-to voice actor for live-action dubbing, having voiced prominent actors such as Robert De Niro in films like Malavita and Al Pacino in Le Marchand de Venise. His contributions to the performing arts have been recognized with several awards for his theater and film work, underscoring a career defined by versatility and a strong command of his craft.