Leslie began performing at the age of ten, creating the title role in LA Chamber Ballet's adaptation of Antoine de St. Exupery's "The Little Prince". Until the age of 15 she continued to play the role in many local theaters as well as on regional tours. When Leslie was twelve she played Lee Remick's daughter in "Nutcracker: Money, Madness and Murder, directed by Paul Bogart. She guest-starred in several pilot, guest starred on several series and was cast as a regular on an NBC pilot. She was featured in a New Line Cinema film, _Big Girls Don't Cry... They Get Even (1991)_, directed by Joan Micklin Silver. She was a series regular on a Fox series, co-starring as Tim Matheson's daughter. Charlie Hoover (1991) also starred Sam Kinison. Leslie received her BA in English from Columbia University, and has since trained at The Neighborhood Playhouse School of the Theatre, Stella Adler Conservatory, and with Diana Cartier at American Ballet Theatre.