Charles Emmanuel

as Pepe / Roberto (voice)

Nadia Carvalho

as Vó (voice)

Iara Riça

as Marilu (voice)

Oberdan Júnior

as Guto (voice)

Luiz Sérgio Vieira

as Gastón / Mario (voice)

Hélio Ribeiro

as Edmundo (voice)

Garcia Júnior

as Cerebrão / Cacá (voice)

Selma Lopes

as Mãedíbula (voice)

Denis Nielsen

as Nanomecânico / Dr. Trunken Schtein (voice)

Guilherme Briggs

as Corvó / Pai do Pepe (voice)

Marlene Costa

as Mãe do Pepe (voice)

Clécio Souto

as Diretor da Escola / Pai da Marilu (voice)

Miriam Ficher

as Ritinha / Morte (voice)

Aline Ghezzi

as Mãe da Marilu / Soprano (voice)

Isaac Bardavid

as Diabo (voice)

Ricardo Vooght

as Narrator