Suggestions by @drcaster

Frank Welker

as Magic Mirror in Snow White

Peter Dinklage

as Grumpy in Snow White

Ross Butler

as Prince in Snow White

Lucy Liu

as Queen Grimhilde in Snow White

Lena Headey

as Queen Grimhilde in Snow White

Lana Condor

as Snow White in Snow White

Charlie Hunnam

as Green Arrow in Justice League

Zachary Quinto

as Lex Luthor in Justice League

Finn Wittrock

as Nightwing in Justice League

Dave Franco

as Flash in Justice League

James Marsden

as Green Lantern in Justice League

Adam Driver

as Jonathan Crane in DCEU

DJ Cotrona

as Pedro Peña in DCEU

Piper Perabo

as Cat Grant in DCEU

Adam Brody

as Freddy Freeman in DCEU

Jack Dylan Grazer

as Freddy Freeman in DCEU

Cameron Boyce

as Garfield Logan in DCEU

Dacre Montgomery

as Roy Harper in DCEU

Anya Taylor-Joy

as Raven in DCEU

John Boyega

as Luke Fox in DCEU