David Boreanaz

Hal Jordan / Green Lantern (voice)

Miguel Ferrer

J'onn J'onzz / Martian Manhunter (voice)

Neil Patrick Harris

Barry Allen / The Flash (voice)

John Heard

Ace Morgan (voice)

Lucy Lawless

Wonder Woman (voice)

Kyle MacLachlan

Superman (voice)

Lex Lang

Rick Flagg (voice)

Phil Morris

King Faraday (voice)

Kyra Sedgwick

Lois Lane (voice)

Brooke Shields

Carol Ferris (voice)

Jeremy Sisto

Batman (voice)

Joe Alaskey

Bugs Bunny (voice)

Jeff Bennett

Sportscaster (voice)

Corey Burton

Abin Sur (voice)

Townsend Coleman

Dr. Magnus (voice)

Keith David

The Centre (voice)

Sean Donnellan

Haley (voice)

Robin Atkin Downes

The Guardian (voice)

Shane Haboucha

Robin (voice)

David Hunt

Harry (voice)

Vicki Lewis

Iris West (voice)

Joe Mantegna

Crooner (voice)

Vanessa Marshall

Amazon Woman (voice)

Jim Meskimen

Slam Bradley (voice)

James Arnold Taylor

Captain Cold (voice)