Suggestions by @acexavier

Alan Ritchson

as Captain Atom in Earth-27 fancast (rewrite)

Score: +1

Sean Astin

as Captain Marvel/Shazam in Earth-27 fancast (rewrite)

Score: +2

Zachary Levi and Asher Angel

as Captain Marvel/Shazam in Earth-27 fancast (rewrite)

Score: +1

Tony Todd

as Icon in Earth-27 fancast (rewrite)

Score: +1

Carl Lumbly

as Martian Manhunter in Earth-27 fancast (rewrite)

Score: +1

Stephen Amell

as Green Arrow in Earth-27 fancast (rewrite)

Score: +1

Vanessa Marshall

as Black Canary in Earth-27 fancast (rewrite)

Score: +1

Grant Gustin

as The Flash in Earth-27 fancast (rewrite)

Score: +1

Susan Eisenberg

as Wonder Woman in Earth-27 fancast (rewrite)

Score: +2

Jensen Ackles

as Red Hood in Earth-27 fancast (rewrite)

Score: +2

George Newbern

as Superman in Earth-27 fancast (rewrite)

Score: +1

Will Friedle

as Batman 4 in Earth-27 fancast (rewrite)

Score: +1

Dee Bradley Baker

as Goliath in Earth-27 fancast (rewrite)

Score: +1

Frank Welker

as Ace the Bat-Hound in Earth-27 fancast (rewrite)

Score: +1

Dakota Fanning

as Flamebird in Earth-27 fancast (rewrite)

Score: +1

Ash Ketchum (XY)

as Yuri Lowenthal in What characters would you like to hear voice actors voice?

Score: +3

Zehra Fazal

as Bluebird in Earth-27 fancast (rewrite)

Score: +1

Alastair Duncan

as Alfred Pennyworth in Earth-27 fancast (rewrite)

Score: +1

Sophia Lillis

as Misfit 1 in Earth-27 fancast (rewrite)

Score: +1

Ariel Winter

as Misfit 1 in Earth-27 fancast (rewrite)

Score: +2