Suggestions by @benjombunud

Michael Keaton

as Batman (Burtonverse) in Crisis on Infinite Earths

Tyler Hoechlin

as Superman (CW) in Crisis on Infinite Earths

Melissa Benoist

as Supergirl (CW) in Crisis on Infinite Earths

Brandon Routh

as Atom (CW) in Crisis on Infinite Earths

Ruby Rose

as Batwoman (CW) in Crisis on Infinite Earths

Stephen Amell

as Green Arrow (CW) in Crisis on Infinite Earths

Grant Gustin

as Flash (CW) in Crisis on Infinite Earths

Ray Fisher

as Cyborg (DCEU) in Crisis on Infinite Earths

Jason Momoa

as Aquaman (DCEU) in Crisis on Infinite Earths

Ezra Miller

as Flash (DCEU) in Crisis on Infinite Earths

Gal Gadot

as Wonder Woman (DCEU) in Crisis on Infinite Earths

Henry Cavill

as Superman (DCEU) in Crisis on Infinite Earths

Ben Affleck

as Batman (DCEU) in Crisis on Infinite Earths

Willem Dafoe

as Rick in Rick and Morty in the Live Action Dimension (Because the Producers are mad with Power and Money)

Jason O'Mara

as Kevin Conroy in Kevin Conroy Biopic

Jon Hamm

as Kevin Conroy in Kevin Conroy Biopic

Margot Robbie

as Arleen Sorkin in Kevin Conroy Biopic

Hugh Jackman

as Husk in Hazbin Hotel

John Mulaney

as Angel Dust in Hazbin Hotel

Jemaine Clement

as Frank Oz in Mark Hamill Biopic