Popsugar Entertainment Shazam! Shazam Movie Cast We Are 110% Here For the Diversity in the Shazam! Cast 4 April 2019 by Stacey Nguyen View On One Page Photo 12 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 12 Grace Fulton as Young Mary Bromfield Grace Fulton will play the teenage version of Billy's foster sister Mary. The 22-year-old actress recently appeared in Annabelle: Creation as Carol. Previous Next Start Slideshow Shazam!Movie CastingMovies