Ham / Reporter #1 (voice)

Comet (voice)

Titan (voice)

Luna (voice)

Houston / Piddles The Clown / Camera Guy (voice)

Kilowatt / Computer Voice (voice)

Zartog / Human #1 / Human #2 (voice)

Senator (voice)

Dr. Bob (voice)

Dr. Poole (voice)

Dr. Jagu / Reporter #2 (voice)

Alien #1 (voice)

Alien #2 (voice)