Suggestions by @ruddy_hell_its_danny

Nathalie Kelley

as Selina Kyle in Crisis On Infinite Earths

Crystal Reed

as Zatanna Zatara (Earth 1) in Crisis On Infinite Earths

Jane Levy

as Barbara Gordon (Earth 1) in Crisis On Infinite Earths

Wes Bentley

as Kent Nelson (Earth 1) in Crisis On Infinite Earths

Rose McIver

as Lana Lang (Earth 38) in Crisis On Infinite Earths

Jensen Ackles

as Bruce Wayne (Earth 1) in Crisis On Infinite Earths

Derek Theler

as Arthur Curry (Earth 1) in Crisis On Infinite Earths

Meghan Ory

as Diana Prince (Earth 1) in Crisis On Infinite Earths

Nathaniel Buzolic

as Hal Jordan (Earth 1) in Crisis On Infinite Earths

Zachary Gordon

as Tyler Lockwood in The Vampire Diaries 2019

Ryan Whitney

as Katherine Pierce in The Vampire Diaries 2019

Ryan Whitney

as Elena Gilbert in The Vampire Diaries 2019

Michael Provost

as Matt Donovan in The Vampire Diaries 2019

Noah Centineo

as Stefan Salvatore in The Vampire Diaries 2019

Thomas Doherty

as Damon Salvatore in The Vampire Diaries 2019

Dominic Purcell

as Mick Rory (Earth 1) in Crisis On Infinite Earths

Azie Tesfai

as Kelly Olsen (Earth 38) in Crisis On Infinite Earths

Mehcad Brooks

as James Olsen (Earth 38) in Crisis On Infinite Earths

Violett Beane

as Jesse Wells (Earth 2) in Crisis On Infinite Earths

David Ramsey

as John Stewart (Earth 42) in Crisis On Infinite Earths