Suggestions by @danielnewman
888 suggestions

Sam Worthington
as Leonard Snart in Members of the Justice League of America

Michael Rosenbaum
as Lex Luthor in Members of the Justice League of America

Kevin Alejandro
as Etrigan in Members of the Justice League of America

Spencer Boldman
as Red Tornado in Members of the Justice League of America
Cress Williams
as Black Lightning in Members of the Justice League of America

Ryan Reynolds
as Captain Atom in Members of the Justice League of America

Melissa Benoist
as Supergirl in Members of the Justice League of America

Chris Evans
as Booster Gold in Members of the Justice League of America

Victor Garber
as Firestorm partner in Members of the Justice League of America

Mary Elizabeth Winstead
as Huntress in Members of the Justice League of America

Zach Braff
as Blue Beetle in Members of the Justice League of America

Roger Craig Smith
as Dr. Fate in Members of the Justice League of America

James Marsden
as Green Lantern 2814.3 in Members of the Justice League of America

Meghan Ory
as Zatanna in Members of the Justice League of America

Brandon Routh
as ATOM in Members of the Justice League of America

Steven Strait
as Shazam in Members of the Justice League of America
Maisie Richardson-Sellers
as Vixen in Members of the Justice League of America
Brett Dalton
as Batman in Members of the Justice League of America

David Harewood
as Martian Manhunter in Members of the Justice League of America

Calum Worthy
as The Flash III in Members of the Justice League of America