as Howard

as Nate

as Jesse

as Caleb Cottrell

as Fagan Kai

as Joe

as James Levay

as Mordred (voice)

as Self

as Fermat

as

as Rob Austin

as 10-Year-Old Boy (uncredited)

as

as Mordred / J'onn's Children (voice)

as Mordred (voice)

as Johnny Rocket

as Kyle Rogers

as Boy

as Jersey

as Birthday Boy

as Timmy

as Justin

as Hostage Boy