Suggestions by @milesyeargain

Val Kilmer

as Aquaman in My Justice League 2 Cast (2006)

Paul Walker

as Green Lantern in My Justice League 2 Cast (2006)

Leonardo DiCaprio

as The Flash in My Justice League 2 Cast (2006)

Sandra Bullock

as Wonder Woman in My Justice League 2 Cast (2006)

Tim Robbins

as Superman in My Justice League 2 Cast (2006)

Keanu Reeves

as Batman in My Justice League 2 Cast (2006)

Julia Roberts

as Lois Lane in My Justice League Cast 2003

Sean Connery

as Alfred Pennyworth in My Justice League Cast 2003

Wesley Snipes

as Ma’alefa’ak in My Justice League Cast 2003

Matt Damon

as Black Manta in My Justice League Cast 2003

Russell Crowe

as Merlyn in My Justice League Cast 2003

Hugo Weaving

as Sinestro in My Justice League Cast 2003

Will Smith

as Black Manta in My Justice League Cast 2003

James Franco

as Mirror Master in My Justice League Cast 2003

Nicole Kidman

as Cheetah in My Justice League Cast 2003

Martin Short

as Mad Hatter in My Justice League Cast 2003

Bruce Willis

as Lex Luthor in My Justice League Cast 2003

Vincent D'Onofrio

as Lex Luthor in My Justice League Cast 2003

Val Kilmer

as Aquaman in My Justice League Cast 2003

Vin Diesel

as Martian Manhunter in My Justice League Cast 2003