Suggestions by @comicboy

Laurence Fishburne

as Martian manhunther in Justice League Despero's wrath (1995)

Christopher Walken

as Brainiac in Justice League Despero's wrath (1995)

John Cleese

as Alfred in Justice League Despero's wrath (1995)

Harvey Keitel

as Jim gordon in Justice League Despero's wrath (1995)

Denise Richards

as Kara Danvers in Justice League Despero's wrath (1995)

Daphne Zuniga

as Lois lane in Justice League Despero's wrath (1995)

Rider Strong

as Billy batson in Justice League Despero's wrath (1995)

Brendan Fraser

as Shazam in Justice League Despero's wrath (1995)

Tom Cruise

as Green lantern in Justice League Despero's wrath (1995)

Brad Pitt

as Aquaman in Justice League Despero's wrath (1995)

Eric Stoltz

as Flash in Justice League Despero's wrath (1995)

Geena Davis

as Wonder Woman in Justice League Despero's wrath (1995)

Pierce Brosnan

as Batman in Justice League Despero's wrath (1995)

George Miller

as Director in Aquaman the legend of Atlantis (1995)

Marc Singer

as Poseídon in Aquaman the legend of Atlantis (1995)

Daniel Day-Lewis

as Dead water in Aquaman the legend of Atlantis (1995)

Rene Russo

as Atlana in Aquaman the legend of Atlantis (1995)

David Morse

as Thomas curry in Aquaman (1991)

David Morse

as Thomas curry in Aquaman the legend of Atlantis (1995)

Gene Hackman

as Vulko in Aquaman the legend of Atlantis (1995)