Looking for Caucasian, Brunette, looks like late teens or early 20's. Athletic to average build, Petite to average height. Going for a Felicity Jones or Daisy Ridley type
Character Mary is in military uniforms most of the script but at the end she
steals men's clothing and signs aboard a ship for the Caribbean. Her primary costume for the poster will be that of a girl wearing "common" or poor men's clothing.