Xuxinha e Guto Contra os Monstros do Espaço

Pedro Henrique

Biel (voice)

Gustavo Pereira

Jonas (voice)

Milton Gonçalves

Euclides Arquimedes (voice)

Lúcio Mauro Filho

Sid (voice)

Fernanda Baronne

Rosângela (voice) / Wallas (voice)

Júlio Chaves

Jonas's Father (voice)

Paulo Goulart

St. Peter (voice)

Tom Cavalcante

Douglas Wonder (voice)