Mary Benton Faber (born August 8, 1979) is an American actress, singer, voice actress, and dancer. She graduated from the Governor's School for the Arts and Brandeis University. 　　Faber made her Broadway debut on December 26, 2005, replacing Stephanie D'Abruzzo in the musical Avenue Q. She played the big-hearted Kate Monster and the easy Lucy T. Slut. Starting October 30, 2006, she took a leave of absence from Avenue Q to appear as Clea in the Playwright's Horizon's production of Floyd and Clea Under the Western Sky. Faber returned to Avenue Q on December 19, 2006. Faber's last appearance in Avenue Q was on October 9, 2008.