Melissa Fahn is an American actress and singer with a extensive career in voice acting for anime, animation, and video games, spanning over three decades. Born in Huntington, New York, and raised in Huntington Beach, California, she began performing at a young age, studying dance and participating in community theater. Her entry into voice acting occurred serendipitously when a casting director heard her voice while she was working as a receptionist, leading to her first role in a Betty Boop featurette. Beyond voice work, Fahn is also an accomplished stage performer, having been a member of the original Broadway cast of the musical Wicked and an understudy for the role of Glinda.

Fahn is known for her versatile vocal range, frequently portraying characters that are energetic, youthful, or possess a unique, quirky charm. Her anime filmography is particularly notable for her work in long-running franchises, where she often takes on multiple distinct roles. A prominent example is her contribution to the Fate series. In Fate/stay night, she voices the servant Rider, a role she has reprised in various installments including the Heaven's Feel film trilogy. In the anime adaptation of Fate/Grand Order - Absolute Demonic Front: Babylonia, she demonstrated her range by voicing three interconnected characters: the young Ana, her mature and monstrous form Gorgon, and the primordial goddess Tiamat. She also voices the character Finis in the fantasy anime series Lost Song.

Another significant and recurring role in her career is that of the Tachikoma in the Ghost in the Shell franchise. These are the childlike, spider-tank A.I. units in Ghost in the Shell: Stand Alone Complex, its second season, and the series of shorts Tachikomatic Days. Fahn was one of several voice actors who voiced the various Tachikoma units, giving them their distinctive, inquisitive voices. She later returned to the role for the Netflix series Ghost in the Shell: SAC_2045 and its compilation film. In the mecha genre, she voiced the young Renton Thurston in the film Eureka Seven - good night, sleep tight, young lovers and provided voices for characters in series like revisions, where she played Mukyū Isurugi, and Knights of Sidonia: Love Woven in the Stars as Izana Shinatose.

Fahn has also been the English voice for prominent characters in popular video game adaptations and original anime projects. She is well-known to gamers as the voice of Neptune and her goddess form Purple Heart in the Hyperdimension Neptunia series. In the world of digital monsters, she has voiced multiple characters across the Digimon franchise, including Rika Nonaka in Digimon Tamers. For younger audiences, she voiced the character Clara Clover, also known as Glitter Clover, in the Glitter Force Doki Doki series. Her work also includes the role of Maria Campbell in the romantic comedy anime My Next Life as a Villainess: All Routes Lead to Doom! and its second season, Maria Campbell in My Next Life as a Villainess: All Routes Lead to Doom! X. In the series Kaze no Yojimbo, she voiced Miyuki Tanokura, and in Karas, she played Chizuru.

Beyond these major roles, Fahn's career includes a wide array of character voices in both classic and modern anime. Early in her career, often credited under pseudonyms like Melissa Charles or Tina Dixon, she voiced iconic characters such as Edward Wong Hau Pepelu Tivrusky IV in the seminal series Cowboy Bebop. Her filmography also includes the role of Etsuko in Android Kikaider - The Animation, Luna Platz in Megaman Star Force, Natsumi/Mei in Jungle de Ikou!, and the character Panny in the classic Panda! Go, Panda! films. She has also been the voice of Hello Kitty in Hello Kitty's Paradise, demonstrating her ability to portray beloved and long-standing characters.

Fahn's contributions to voice acting have made her a familiar and respected presence in the industry, with a body of work that spans multiple genres and media. In addition to her performance career, she has also released a jazz-influenced music album titled Avignon.