Chloe Grace Moretz as Hazel Nora Lester
The up-and-coming makeup artist
Username: @hazelester
Tom Holland as himself
Spiderman himself
Username: @tomholland2013
Zoey Deutch as June Newland
The best friend
Username: @junejuly
Brooklyn Beckham as Mason Harvell
The boyfriend
Username: @masonishere
Ansel Elgort as Blaze Lester
The cocky but wise brother
Username: @MrBlaze
Avan Jogia as Jackson Hedley
The ex-boyfriend
Username: @jackson_h
The cast of Infinity War as themselves