Pascal Gruselle is a Belgian-Canadian actor primarily recognized for his extensive work in voice acting, particularly the French dubbing of films and television series. Born on March 24, 1959, in Tirlemont, Belgium, he pursued acting training in multiple cities, including Brussels, Paris, and Montreal, before becoming a professional actor in 1984. He first entered the world of dubbing in Montreal in 1989 and has since built a substantial career in the field.

In the realm of anime and animation, Gruselle has lent his voice to a variety of characters. As noted in the user query, one of his prominent roles is providing the French voice for Matthews in the 2014 animated science-fiction film Appleseed Alpha. His other notable anime voice work includes the character Katsuki Toshiya in the popular series Yuri on Ice, and the Comte de Champignac in the Spirou et Fantasio animated series. His filmography also includes voices for characters in major franchises such as Naruto (as Zetsu), One Piece, and various roles in productions like Castlevania, Initial D, and Digimon Appmon.

Beyond animation, Gruselle's dubbing career is extensive and covers a wide range of live-action films and television series. He has provided the French voice for prominent roles in series such as Commander Klaes Ashford in The Expanse, Ben Burns in Loudermilk, and characters in Doctor Who and Shetland. His work also includes voicing B1 in the children's series The Bananas in Pyjamas and roles in films like Woody Woodpecker.

Throughout his career, Gruselle has collaborated on various projects directed by David Macaluso, such as Appleseed Alpha, and has worked with a consistent pool of Belgian voice actors. His career is marked by a high volume of work and a versatility that spans animation, live-action dubbing, and on-screen roles in film and television.