Suggestions by @antiquepig

Sadie Sink

as Miss Martian in Martian Manhunter

Sadie Sink

as Ms. Martian in Martian Manhunter

John Boyega

as Cyborg in Martian Manhunter

Lance Reddick

as Martian Manhunter in Martian Manhunter

Sigourney Weaver

as Queen Hippolyta in Justice League: World's Greatest Heroes

Chris Evans

as Steve Trevor in Justice League: World's Greatest Heroes

Chris Pratt

as Steve Trevor in Justice League: World's Greatest Heroes

Kevin Michael Richardson

as Kilowag in Justice League: World's Greatest Heroes

Jason Isaacs

as Reverse Flash in Justice League: World's Greatest Heroes

Rebecca Romijn

as Giganta in Justice League: World's Greatest Heroes

Andrew Scott

as The Riddler in Justice League: World's Greatest Heroes

Mark Strong

as Lex Luthor in Justice League: World's Greatest Heroes

Viola Davis

as Amanda Waller in Justice League: World's Greatest Heroes

Kurt Russell

as Jor-El in Justice League: World's Greatest Heroes

Benedict Cumberbatch

as Brainiac in Justice League: World's Greatest Heroes

Jaeden Martell

as Wally West in Justice League: World's Greatest Heroes

Kathryn Newton

as Supergirl in Justice League: World's Greatest Heroes

Jane Levy

as Iris West in Justice League: World's Greatest Heroes

Laurence Fishburne

as Perry White in Justice League: World's Greatest Heroes

J.K. Simmons

as Commissioner Jim Gordon in Justice League: World's Greatest Heroes