David Boreanaz

Character: Hal Jordan / Green Lantern (voice)

Miguel Ferrer

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

Neil Patrick Harris

Character: Barry Allen / The Flash (voice)

John Heard

Character: Ace Morgan (voice)

Lucy Lawless

Character: Wonder Woman (voice)

Kyle MacLachlan

Character: Superman (voice)

Lex Lang

Character: Rick Flagg (voice)

Phil Morris

Character: King Faraday (voice)

Kyra Sedgwick

Character: Lois Lane (voice)

Brooke Shields

Character: Carol Ferris (voice)

Jeremy Sisto

Character: Batman (voice)

Joe Alaskey

Character: Bugs Bunny (voice)

Jeff Bennett

Character: Sportscaster (voice)

Corey Burton

Character: Abin Sur (voice)

Townsend Coleman

Character: Dr. Magnus (voice)

Keith David

Character: The Centre (voice)

Sean Donnellan

Character: Haley (voice)

Robin Atkin Downes

Character: The Guardian (voice)

Shane Haboucha

Character: Robin (voice)

David Hunt

Character: Harry (voice)

Vicki Lewis

Character: Iris West (voice)

Joe Mantegna

Character: Crooner (voice)

Vanessa Marshall

Character: Amazon Woman (voice)

Jim Meskimen

Character: Slam Bradley (voice)

James Arnold Taylor

Character: Captain Cold (voice)