Suggestions by @darthspidermaul

Gary Oldman

as Commissioner James Gordon in What If Christian Bale was in Zack Snyder's Justice League

Heath Ledger

as Joker in What If Christian Bale was in Zack Snyder's Justice League

Ray Fisher

as Cyborg in What If Christian Bale was in Zack Snyder's Justice League

Gal Gadot

as Wonder Woman in What If Christian Bale was in Zack Snyder's Justice League

Jason Momoa

as Aquaman in What If Christian Bale was in Zack Snyder's Justice League

Zack Snyder

as Director in Superman and Superigrl: No Way Home

Clyde Gatell

as Joe Chill in DC Burtonverse

Rene Russo

as Chase Meridian in DC Burtonverse

Tommy Lee Jones

as Tony Zucco in DC Burtonverse

Joe Keery

as Flash in What If Christian Bale was in Zack Snyder's Justice League

Joe Sabatino

as Frosty in DC Burtonverse

Tracey Walter

as Bob the Goon in DC Burtonverse

Vendela Kirsebom

as Nora Fries in DC Burtonverse

Sharon Holm

as Martha Wayne in DC Burtonverse

Dennis Farina

as Carmine Falcone in DC Burtonverse

Paul Sorvino

as Rupert Thorne in DC Burtonverse

Jack Palance

as Carl Grissom in DC Burtonverse

Andrew Bryniarski

as Chip Shreck in DC Burtonverse

Robert Wuhl

as Alexander Knox in DC Burtonverse

Christopher Walken

as Max Shreck in DC Burtonverse