Ham III (voice)
Luna (voice)
Zartog (voice)
Titan (voice)
Kilowatt (voice)
Ringmaster (voice)
Comet / Nava Boy (voice)
Houston (voice)
Dr. Jagu (voice)
Dr. Bob (voice)
Dr. Poole (voice)
Dr. Smothers (voice)
Senator (voice)
Splork / Infinity Probe / Pappy Ham (voice)
Ship Voice / Infinity Probe / Additional Voices (voice)
Newsreel (voice)
Guard (voice)
Additional Voices (voice)