casters characters that frequent the library during their free time, people to talk to in the late night astronomy class and those who stalk the kitchens after curfew, brainstorming everything! rosa salazar, kat langford, keiynan lonsdale, alexandra shipp, jorge lendeborg jr, hailee steinfeld, brandon flynn, ross butler, alisha boe, amandla stenberg, margaret qualley, nate gill, eileen kelly