Suggestions by @hulkbuster
300 suggestions

Lily Collins
as Lois Lane in Superman: Achilles' Heel

David Corenswet
as Clark Kent in Superman: Achilles' Heel

Christopher Heyerdahl
as Mr. V in Martian Manhunter

Jonathan Groff
as M'aatt M'orzz in Martian Manhunter

Clare-Hope Ashitey
as J'ann M'orzz in Martian Manhunter

Charles Dance
as J'axx in Martian Manhunter

Mason Temple
as Dal'en in Martian Manhunter

James Pickens Jr.
as Telok'telar in Martian Manhunter

Alyssa Sutherland
as Cay'an in Martian Manhunter

Taylor Kitsch
as B'rett in Martian Manhunter

Jason Isaacs
as Roh'kar in Martian Manhunter

Liam Neeson
as B'enn B'lanxx in Martian Manhunter

Arden Cho
as Diane Meade in Martian Manhunter

Timothy Olyphant
as King Faraday in Martian Manhunter

Luis Guzmán
as Dr. Saul Erdel in Martian Manhunter

Mandy Patinkin
as Dr. Saul Erdel in Martian Manhunter

Jayden Rey
as K'hym J'onzz in Martian Manhunter

Marton Csokas
as Steppenwolf in Martian Manhunter

Chiwetel Ejiofor
as Ma'alefa'ak J'onzz in Martian Manhunter

Mahershala Ali
as J'onn J'onzz in Martian Manhunter