Legal name is Amy Maria Young; there was another Amy Young registered in the Screen Actors Guild, so she adapted her first name to Bellamy.
Was North Carolina's Junior Miss in 1987 (the national scholarship program changed its name to Distinguished Young Women in 2010).
Made her Broadway debut in 1997 in the original production of The Life, a musical by Cy Coleman (music, book), Ira Gasman (lyrics, book) and David Newman (book) that was nominated for a Tony Award and won a Drama Desk Award for Outstanding New Musical.
Other stage work includes a 1994 off-Broadway revival of Stephen Sondheim's musical Merrily We Roll Along; and Randy Newman's Faust at the La Jolla Playhouse in San Diego and the Goodman Theatre in Chicago in 1995.
In addition to a starring role, has an associate-producer credit for the family drama Country Remedy (2007), aka Simple Things and Mountain Time, which was filmed in her native Asheville, NC.