Yara Shahidi as Melanie (voice)

Gabrielle Union as General Blazerhatch (voice)

Dwyane Wade as Private Wade (voice)

Miles Robbins as Reid (voice)

Fat Joe as DJ (voice)

Amari McCoy as Kira (voice)

Leyon Azubuike as Private Ronnie (voice)

Angie Martinez as Zona Nightweather (voice)

Jadakiss as Captain Lightspeed (voice)

Susan Sarandon as Mom (voice)

Miguel as Arcannis (voice) (as Miguel J. Pimentel)

Tom Kenny as Fleech (voice)