Suggestions by @milesyeargain

Jack Nicholson (Lex Luthor)

as Lex Luthor in The Justice League (1997)

Score: +1

Tony Todd

as Martian Manhunter in The Justice League (1997)

Score: +1

Val Kilmer (Young)

as Aquaman in The Justice League (1997)

Score: +1

Matt Damon (The Flash)

as The Flash in The Justice League (1997)

Score: +1

Tom cruise green lantern

as Green Lantern in The Justice League (1997)

Score: +1

Sandra Bullock (Wonder Woman)

as Wonder Woman in The Justice League (1997)

Score: +1

Ben Affleck (Superman)

as Superman in The Justice League (1997)

Score: +1

Keanu Reeves (Batman)

as Batman in The Justice League (1997)

Score: +1

Steven Spielberg

as Director in Aquaman: King of The Seven Seas (1997)

Score: +1

Blythe Danner

as Queen Atlanna in Aquaman: King of The Seven Seas (1997)

Score: +1

Russell Means

as Tom Curry in Aquaman: King of The Seven Seas (1997)

Score: +1

Julia Roberts

as Mera in Aquaman: King of The Seven Seas (1997)

Score: +1

Wesley Snipes

as Black Manta in Aquaman: King of The Seven Seas (1997)

Score: +1

Val Kilmer (Young)

as Aquaman in Aquaman: King of The Seven Seas (1997)

Score: +1

Steven Spielberg

as Director in The Flash: Fastest Man Alive (1996)

Score: +1

Ernie Hudson

as Joe West in The Flash: Fastest Man Alive (1996)

Score: +1

Lisa Bonet

as Iris Allen-West in The Flash: Fastest Man Alive (1996)

Score: +1

Peter Weller

as Gorilla Grodd in The Flash: Fastest Man Alive (1996)

Score: +1

Mel Gibson

as Captain Cold in The Flash: Fastest Man Alive (1996)

Score: +1

Matt Damon (The Flash)

as The Flash in The Flash: Fastest Man Alive (1996)

Score: +1