Kim Sweet was born on Long Island in Commack, NY to an accountant and bond broker. She grew up performing in community theatre around Long Island while studying dance and singing. She has a BFA from NYU Tisch School of the Arts and then later completed Maggie Flanigan's 2-year conservatory program. In addition to TV-Film, she consistently works in theatre, and voiceover. She resides in Brooklyn with local housing in Toronto and Phoenix.