Harriet received a Drama Desk Award nomination for Outstanding Actress in a Play for Bella, Belle of Byelorussia in 1992, and she also received Drama Desk Award nomination for Outstanding Featured Actress in a Play for Jeffrey in 1993.
As a child, Harriet wanted to be Governor of Texas, but later she decided that she wanted to be an actress.
Harriet received a Tony Award as Featured Actress for her role as Mrs. Meers in a Musical Thoroughly Modern Millie in 2002.
Sansom is her mother's maiden surname.
Harriet: (about using her middle name) I have to use the middle name for movies and TV-for SAG, but I use Harriet Harris when I'm doing an Equity show, onstage.