Amandine Longeac is a French actress primarily known for her work in theatre, film, and television, as well as her extensive voice acting in animation and manga dubbing. She is also active in voice-over for commercials and audio books. Her training is multidisciplinary, encompassing professional acting courses, classical, jazz, and contemporary dance at the CNSM in Lyon, and lyric and variety singing. She also holds a Master's degree in Language Sciences.

In the realm of anime voice acting, Longeac has been credited with several prominent French dub roles. She is notably the voice of Kyou Kai in the third season of the historical series Kingdom. She has a significant presence in the Is It Wrong to Try to Pick Up Girls in a Dungeon? franchise, where she voices the goddess Freya across the main series, the spin-off Sword Oratoria, and the film Arrow of the Orion. In the same universe, she also lends her voice to the characters Demeter and Asfi Al Andromeda. Her other anime roles include Aiko Tachibana in the science fiction series A.I.C.O. -Incarnation- and Ritsuko Mukae in the music-drama Kids on the Slope.

Beyond the roles listed by the user, Longeac's voice acting career includes several other major characters. She is the French voice of Asuna / Asuna Yûki in the first season of Sword Art Online. She also voices Ruka "Rukako" Urushibara in both the Steins;Gate series and its film adaptation. Her other credits include Konoha Amagi in Zetman, the mother of Sawako in Kimi ni Todoke, Emilia in Romeo x Juliet, Eve Genoard and Sylvie Lumière in Baccano!, and Phryné in Fractale. Her work frequently involves collaborations with French dubbing studios such as Miroslav Pilon and O'Bahamas, and with directors like Julien Dutel.