William Coryn is a French actor, voice actor, and director, widely recognized for his extensive contributions to the French dubbing industry, particularly in animation and anime. Born William François Patrick Coryn on November 18, 1957, in Paris, he began his on-screen acting career as a child and adolescent, appearing in numerous television series and films. He later transitioned to focus primarily on voice work, becoming a prominent figure in the field.

Coryn has lent his voice to a wide array of characters in French adaptations of Japanese anime. Among his notable roles are Sangoku in the cyberpunk OVA series Cyber City Oedo 808, Matti in the acclaimed film Royal Space Force: The Wings of Honnêamise, Ryo Sanada in the series Legendary Armor Samurai Troopers, and Amanojaaku in the controversial Urotsukidōji: Legend of the Overfiend. His other significant anime credits include the roles of Viral in Gurren Lagann, Kieron in the Appleseed OVA, Will in Venus Wars, and various characters in long-running franchises such as Dragon Ball Z, where he provided voices for Trunks and Vegeta at different points.

Beyond these specific credits, Coryn's career encompasses a vast range of dubbing work. He is well-known as one of the regular French voices for actors such as Jackie Chan, Matthew Broderick, and Michael Shanks. He has also been heavily involved with the French version of the animated series South Park, voicing characters like Kyle Broflovski and Kenny McCormick.

In addition to voice acting, Coryn is an accomplished director artistique (dubbing director) and adaptateur (dialogue adapter). He has directed the French voice versions for various productions, including the anime series Yasuke and the film Flavors of Youth. His work in adaptation and dubbing direction has made him a key figure in bringing international animation to French-speaking audiences.