Jane Alan is the professional pseudonym of Mari Devon, an American voice actress born in New York City on October 10, 1959, who has contributed extensively to English-language dubs of Japanese anime series and films. Her career is marked by a broad range of voice work, often under the Jane Alan alias, particularly in the 1990s and 2000s.

Devon's filmography under the Jane Alan name encompasses a wide variety of characters across numerous series. She is known for voicing Eri Kisaki in the Detective Conan franchise, specifically in the special Detective Conan - Episode One: The Great Detective Turned Small and the movie Case Closed: Zero the Enforcer. In the series Ah My Buddha, she is the voice of Jyotoku Kawahara. She also took on multiple roles in A Little Snow Fairy Sugar, portraying both Anne and Ginger, as well as Greta's Mother. Other notable credits under this pseudonym include B'DaMage in B-Legend! Battle Bedaman, Iczer-Two in Fight! Iczer-One, and Alissa in Gundress. Additionally, she voiced Rei Kazama in éX-D: Danger Zone and Miyuki Hayami in Submarine 707R.

Her work is not limited to these titles; she has also been credited as the narrator for several projects, including The Princess and the Moon, Kanta and the Deer, and The Prince and the Coral Sea. In many of these roles, she voiced maternal figures, such as the mother in The Treasures of the Desert and once again in The Prince and the Coral Sea.

While Jane Alan is a prominent alias for her anime voice work, Mari Devon is also recognized for her performances under her birth name. These include major roles in widely known series such as Takani Megumi in Rurouni Kenshin, Haruka Urashima in Love Hina, and multiple characters in the Digimon franchise, including Renamon and Togemon. Her career also extends to Western animation, with a recurring role as Summer Gleeson in Batman: The Animated Series.