Milioti made her Broadway debut inThe Lieutenant of Inishmore. She went on to appear in more Broadway and Off-Broadway productions, including The Devil's Disciple, Stunning, The Little Foxes, Crooked, and Coram Boy. Milioti originated the role of Girl in the musical adaptation of Once (Tony Award nomination, Grammy Award winner). Her television credits include "30 Rock" and "How I Met Your Mother", playing the titular character. Her film credits include "Sleepwalk with Me", "The Brass Teapot", and "The Wolf of Wall Street".