Megan Kathleen Hilty (born March 29, 1981) is an American actress and singer. She rose to prominence for her roles in Broadway musicals, including her performance as Glinda the Good Witch in Wicked, Doralee Rhodes in 9 to 5: The Musical, and her Tony Award-nominated role as Brooke Ashton in Noises Off. She also starred as Ivy Lynn on the musical-drama series Smash, on which she sang the Grammy Award-nominated "Let Me Be Your Star", and portrayed Liz on the sitcom Sean Saves the World.
Hilty was born in Bellevue, Washington, the daughter of Donna and Jack Hilty. She began taking vocal lessons at the age of 12, and was interested in performing opera. She attended Sammamish High School in Bellevue, then transferred to the Washington Academy of Performing Arts Conservatory High School in Redmond, and later attended the Chrysalis School, Woodinville.
She graduated from the Carnegie Mellon School of Drama in 2004, and is a member of Actors' Equity Association. She is a recipient of the National Society of Arts and Letters Award for Excellence in Musical Theater.