Gou Ayano is a Japanese actor who provided the voice for the character Nyx Ulric in the 2016 CGI film Kingsglaive: Final Fantasy XV. This role marked his debut in voice acting for an animated production. He was cast in the lead role for the Japanese-language version of the film, which is part of the Final Fantasy XV universe.

Beyond this prominent voice role, Ayano's career is primarily established in live-action film and television. He began his acting career in 2003 and has since appeared in numerous movies and TV dramas. His live-action filmography is extensive, with notable roles in films such as The Light Shines Only There, Rage, and Shinjuku Swan, as well as the television drama Dr. Storks. His work in live-action has earned him several awards, including the Japan Academy Film Prize for Best Newcomer and multiple Best Actor accolades from Japanese film critics and festivals.

There is no information available in the search results to indicate that Gou Ayano has performed voice work for any other anime productions or that he has recurring collaborations with specific voice acting directors or studios. His contribution to the field of anime voice acting appears to be limited to his award-nominated performance in Kingsglaive: Final Fantasy XV, a role that utilized his established skills as a dramatic actor.