Gloomius Maximus (voice)

Spaceboy / Young Dad (voice)

Billy Bevel (voice)

Zowie (voice)

Olie (voice)

Spot / Spacedog (voice)

Mom / TV Journalist (voice)

Pollie Pi (voice)

Screwy (voice)

Wheelie (voice)

Pappy / TV Announcer (voice)

Dad / Gizmo (voice)

Young Gizmo (voice)

Willy Jollie (voice)

Wally Jollie (voice)

Doctor Geary (voice)

Baxter (voice)

Bonita (voice)

Binky (voice)

Junior Littlegreen (voice)

Gene Littlegreen (voice)