lily jane collins as frances "frankie"
( frances arnold )

ki-hong lee as minho
( probably lee minho )

and the rest of t.m.r. casts as themselves;
aml ameen as alby
thomas brodie-sangster as newt
dexter darden as frypan
will poulter as gally
blake cooper as chuck
alexander flores as winston
joe adler as zart
randall cunningham as clint
jacob latimore as jeff
chris sheffield as ben
dylan o'brien as thomas
jacob lofland as aris

+

daniel radcliffe as nick
jonah marais as stephen
luke hemmings as adam
corbyn besson as hank
tom holland as doug

etc.