obin grew up in Marietta, Georgia as the younger of two girls and the daughter of two attorneys.[3] She was a cheerleader in seventh and eighth grade, but says it wasn't for her[4] and did dance after that.[5] She transferred schools halfway through her senior year. Having transferred from a theater arts school to a public one, she began to get bullied by girls who called her "theater freak" and "nerd."[6] They told her she would never become successful or a star,[3] and one girl threatened to beat her up.[7] She also received harsh text messages and her only friend began to ignore her. Because of the bullying, she began skipping school events, like pep rallies,[8] and didn't walk at her graduation.[7] She graduated from Wheeler High School in 2004.[3] She is an alumnus of AMDA, a performing arts college.

Tobin's first performance was at age four as a Christmas tree in her school's holiday pageant.[10] She moved to New York when she was eighteen to get working right away.[1] She has worked on Broadway as an understudy and replacement for the musical Rock of Ages. She's done other small theater projects, though most of them were as an understudy, and toured with the Trans-Siberian Orchestra in 2011.

She plays Kitty Wilde in the Fox television show Glee. Tobin made her first appearance in the fourth season premiere episode, "The New Rachel", and was a regular recurring guest star for the season. It has been reported that she will be a member of the show's main cast in the fifth season.[11] Tobin's character received mixed opinions from critics.[12][13][14]

Sharon is a versatile, multidisciplinary actor / singer / dancer / educator with credits spanning from screen, to stage, and to voiceovers in comedies, dramas and musicals. Of Asian descendance, Sharon was born in Jakarta, Indonesia and moved to Vancouver when she was a little girl. She currently lives and is based in Vancouver, BC, Canada.

Although most of her time is spent at the rehearsal hall, stage, set, or class, Sharon enjoys taking in the trails available within British Columba. At times, you can also find her at the gym, lifting weights or doing some yoga or kickboxing, or at a restaurant, devouring something delicious.

Sharon has been performing since high school, where she first got bit by the bug. Since then, she has continued to work and train while feeling very fortunate to be able to make this, her vocation, her career.

Sharon has trained, and continues to train, with industry leaders such as Andrew McIlroy, Dean Paul Gibson and Scott Bellis, among others.