Grégory Laisné is a French actor and ADR director who is highly active in the world of voice acting. He is considered one of the most prolific French voice actors in the field of anime, having lent his voice to over 120 different Japanese animation titles. His work spans a wide range of major and popular series, making him a familiar presence to French audiences of animated content.

Laisné has taken on numerous leading and recurring roles across many prominent anime franchises. He is the regular French voice for characters such as Connie Springer in the long-running series Attack on Titan, a role he has played since its early seasons. He also voices the protagonist Shinra Kusakabe in Fire Force. In the world of My Hero Academia, he provides the voice for multiple characters, including Yuga Aoyama and Hanta Sero. Another significant leading role is Subaru Natsuki in the isekai series Re:Zero - Starting Life in Another World. His versatility is further demonstrated by roles like Finnian in Black Butler, Cavendish in One Piece, Langa Hasegawa in SK8 the Infinity, and Shiroe in Log Horizon.

His filmography includes a vast array of other credits, showcasing his consistent work in the industry. He has voiced characters in the Fairy Tail franchise (including Arzak, Larcade Dragnir, and Wall Eehto), Overlord III (Jircniv and N'Firea), Assassination Classroom (Yuma Isogai and Takuya Muramatsu), and Food Wars! (Isami Aldini). He is also the voice behind Hajime Taki in the 2018 Captain Tsubasa series, Shigure Daniel Kai in Deep Insanity: The Lost Child, and Hokuro in Ranking of Kings. His work extends to film as well, with roles in movies such as Dragon Ball Super: Broly and several My Hero Academia films.

Beyond performing, Grégory Laisné also works as a voice director, contributing to the French adaptations of various series. He has directed the dubbing for later installments of the Sailor Moon franchise, the anime adaptation of Yo-kai Watch, the series Overlord, and the 2019 version of Fruits Basket. This combination of extensive on-mic work and behind-the-scenes direction highlights his deep involvement in the French anime localization industry. A notable aspect of his career is a recurring pattern of dubbing characters originally voiced by prominent Japanese seiyu Yuki Kaji and Takuma Terashima.