Guest Stars Bruce Greenwood voices Batman Zehra Fazal voices Violet Harper / Halo Troy Baker voices Brion Markov / Geo Force Grey DeLisle Griffin voices Helga Jace Jason Spisak voices Forager / Fred Bugg Alyson Stoner voices Barbara Gordon / Oracle Stephanie Lemelin voices Computer Maggie Q voices Diana Prince / Wonder Woman Nick Chinlund voices Sportsmaster / Crusher Crock Denise Boutte voices Raquel Ervin / Rocket James Arnold Taylor voices Barry Allen / Flash Cameron Bowen voices Robin / Tim Drake Kelly Hu voices Cheshire / Jade Nguyen Khary Payton voices Brick Britt Baron voices Livewire / Leslie Willis Jeff Bennett voices Casey Kleeba Kelly Stables voices Arrowette Mae Whitman voices Spoiler Nolan North voices Clayface Chad Lowe voices Billy Batson / Shazam Joel Swetow voices Shade Dwight Schultz voices Mad Hatter Daniela Bobadilla voices Mist Jeff Bennett voices Abra Kadabra Vic Chao voices Doctor Moon