Yuri Lowenthal
as Superman / Clark Kent / Kal-El|Kell-El
Adam Wylie
as Brainiac 5
Andy Milder
as Lightning Lad
Heather Hogan
as Phantom Girl
Kari Wahlgren
as Saturn Girl|Triplicate Girl|Shrinking Violet
Michael Cornacchia
as Bouncing Boy
Shawn Harrison
as Timber Wolf
Wil Wheaton
as Cosmic Boy