Corrieanne Stein, born April 22, 1996, is the American actress who voiced Dr. Braun's Tranquility Lane avatar, Betty, in Fallout 3. She has also appeared in the original Broadway cast of Billy Elliot the Musical (Margaret Gormley) (2008-2009), and at the Signature Theater in Arlington, Virginia as Roberta in the world premier of the musical Saving Aimee (2007). (Ref: IBDB, Abouttheartists.)