Alanna was born and raised in Kirkland, WA, spending her childhood doing community theatre and playing basketball. Alanna started doing professional theatre when she was 16 years old at Village Theatre in Issaquah, WA and continued doing so until she left for college. She received her BFA in Musical Theatre from University of Miami, but also trained in London at Mountview Academy of Theatre Arts. After moving to New York in 2014, she booked her first job as Tiger Lily in NBC's Peter Pan Live! alongside Christopher Walken, Allison Williams, and Minnie Driver. Through the years she has continued her career in TV/film, making an appearance on CBS's Bull (S5Ep13) and in the upcoming Beefeater film 18 1/2. She's worked onstage in regional theaters throughout the country, as well as touring, making her Broadway debut in Harry Potter and the Cursed Child with Noma Dumezweni, Anthony Boyle, and Jamie Parker.