She majored in dance at California State University, Long Beach, but left after one year to devote her time to work and theater.

[4] Fahn has voiced many animated characters, Edward in Cowboy Bebop, Haruka in Noein, Gaz as well as others in Invader Zim, and Rika Nonaka, Kristy Damon and Nene Amano in Digimon.

[5] She performed live on stage worldwide in shows such as Hal Prince's 3hree, Gilligan's Island the Musical, Singin' in the Rain, No, No, Nanette and the rock-operas of Vox Lumiere.

In March 2004, Fahn became an understudy for the role of Glinda, replacing Melissa Bell Chait who had suffered a minor stroke.

She later became an original cast member of the Los Angeles sit-down productions, performing in the ensemble and again understudying the role of Glinda before departing on December 30, 2007.