Suggestions by @thegingerbreadman

Ray Porter

as Darkseid in The Reevesverse

Kevin Michael Richardson

as Martian Manhunter in The Reevesverse

Jason Momoa

as Lobo in The Reevesverse

Karl Urban

as Lobo in The Reevesverse

Alexander Skarsgård

as Hawkman in The Reevesverse

Gemma Arterton

as Hawkgirl in The Reevesverse

Lucas Till

as The Flash in The Reevesverse

Sterling K. Brown

as John Stewart in The Reevesverse

Jensen Ackles

as Hal Jordan in The Reevesverse

Jamie Alexander

as Wonder Woman in The Reevesverse

David Corenswet

as Superman in The Reevesverse

Robert Pattinson

as Batman in The Reevesverse

Tanner Buchanan

as Red Hood in Justice league (Reevesverse)

Jensen Ackles

as Green lantern in Justice league (Reevesverse)

Matt Reeves

as Director in Arkham Asylum: A Serious House on Serious Earth

Tim Burton

as Director in Arkham Asylum: A Serious House on Serious Earth

Robert Englund

as The Scarecrow in Arkham Asylum: A Serious House on Serious Earth

Jon Hamm

as Batman in Arkham Asylum: A Serious House on Serious Earth

Giancarlo Esposito

as Hugo Strange in Matt Reeves' Arkham Asylum series

Robert Englund

as Jonathan Crane/Scarecrow in Matt Reeves' Arkham Asylum series