▁December ▁ 2 0 1 7 , ▁Agent ▁C ody ▁B anks '' ▁writer ▁Jeff rey ▁J urg ensen ▁was ▁also ▁listed ▁as ▁a ▁screen writer . ▁, ▁Jess ica ▁Ch ast ain ▁was ▁in ▁negoti ations ▁to ▁star ▁as ▁the ▁adult ▁B ever ly ▁Marsh . ▁In ▁April ▁ 2 0 1 8 , ▁James ▁Mc A voy ▁and ▁Bill ▁H ader ▁entered ▁negoti ations ▁to ▁play ▁the ▁adult ▁Bill ▁Den br ough ▁and ▁Rich ie ▁To z ier . ▁In ▁May ▁ 2 0 1 8 , ▁James ▁R ans one ▁revealed ▁on ▁Twitter ▁that ▁he ▁would ▁play ▁the ▁adult ▁Edd ie ▁K asp bra k . ▁Short ly ▁afterwards , ▁Andy ▁Be an ▁and ▁Jay ▁Ryan ▁had ▁joined ▁the ▁cast ▁to ▁play ▁the ▁adult ▁Stanley ▁U ris ▁and ▁Ben ▁Hans com ▁respectively . ▁In ▁June ▁ 2 0 1 8 , ▁Isa iah ▁Must af a ▁signed ▁on ▁to ▁play ▁the ▁adult ▁Mike ▁Han lon . ▁ ▁Mc A voy ▁revealed ▁on ▁his ▁Inst agram ▁account ▁that ▁film ing ▁had ▁officially ▁begun ▁on ▁June ▁ 1 9 , ▁ 2 0 1 8 . ▁ ▁See ▁also ▁▁▁ ▁List ▁of ▁highest - g ross ing ▁R - r ated ▁films ▁ ▁Notes ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁▁▁▁▁▁▁▁▁▁ ▁Category : 2 0 1 0 s ▁te en ▁films ▁Category : 2 0 1 7 ▁films ▁Category : 2 0 1 7 ▁horror ▁films ▁Category : American ▁coming - of - age ▁films ▁Category : American ▁films ▁Category : American ▁super