Suggestions by @lorog

Milla Jovovich

as Mera in Aquaman: Under Tides (2003)

Joaquin Phoenix

as Oceanmaster in Aquaman: Under Tides (2003)

Ben Affleck

as Aquaman in Aquaman: Under Tides (2003)

John Rhys-Davies

as Ganthet in Green Lantern: Call of Duty (2002)

Hugo Weaving

as Sinestro in Green Lantern: Call of Duty (2002)

Kirsten Dunst

as Arisia Rrab in Green Lantern: Call of Duty (2002)

Ving Rhames

as Kilowog in Green Lantern: Call of Duty (2002)

Ewan McGregor

as Tomar-Re in Green Lantern: Call of Duty (2002)

Ken Watanabe

as Abin Sur in Green Lantern: Call of Duty (2002)

Idris Elba

as John Stewart in Green Lantern: Call of Duty (2002)

Carla Gugino

as Carol Ferris in Green Lantern: Call of Duty (2002)

Michael Clarke Duncan

as Atrocitus in Green Lantern: Call of Duty (2002)

Nathan Fillion

as Green Lantern in Green Lantern: Call of Duty (2002)

Griffin Gluck

as Michelangelo in Teenage Mutant Ninja Turtles (Re-Reboot Film Series)

Wyatt Oleff

as Donatello in Teenage Mutant Ninja Turtles (Re-Reboot Film Series)

Joshua Bassett

as Leonardo in Teenage Mutant Ninja Turtles (Re-Reboot Film Series)

Samuel L. Jackson

as "Him" in Green Lantern: Call of Duty (2002)

Spoiler

as "Him" in Green Lantern: Call of Duty (2002)

John Travolta

as "Speed" in The Flash: Someone To Die For (2002)

Eobard Thawne

as "Speed" in The Flash: Someone To Die For (2002)