Jack Dylan Grazer as Jonathan Kent / Superboy (voice)

Jack Griffo as Damian Wayne / Robin (voice)

Laura Bailey as Lois Lane (voice)

Troy Baker as Bruce Wayne / Batman (voice)

Darin De Paul as Lex Luthor / Starro (voice)

Tom Kenny as Green Arrow / Penguin / Principal (voice)

Nolan North as Jor-El (voice)

Zeno Robinson as Jimmy Olsen / Melvin Masters (voice)

Myrna Velasco as Wonder Girl / Lara / Mom (voice)

Travis Willingham as Clark Kent / Superman (voice)