Sarah Stiles is an American actress and singer. She is active on both Off-Broadway and Broadway and has since ventured into film and TV as well. She began her career in the early 2000s, debuting as Dorothy Gale in a regional production of The Wizard of Oz. Later in 2007, she made her Broadway debut in Avenue Q. From 2011 to 2012, she portrayed Muriel Bunson in the Broadway production of On a Clear Day You Can See Forever. In 2013, she made her television debut in an episode of Lab Rats. Later in 2017, she had a recurring role as Dana in Superior Donuts. Her first starring role on TV was as Gladys in Get Shorty. She recently starred as Bonnie Barella in the Showtime series Billions.