Steve Armstrong (voice)

Mark Gordon / Commander Robinson / Narrator / Additional Voices (voice)

Big Bert Armstrong (voice)

Little John / Additional Voices (voice)

Jamie Robinson (voice)

Dr Smith / Draco / Additional Voices (voice)

Dr Ned Armstrong (voice)

Dr Mary Ann Armstrong (voice)

Dr Hook / Additional Voices (voice)

General Watson / Additional Voices (voice)

Zambajil (voice)

Prince Zardoz (voice)

Zandra (voice)

Zuhl (voice)

Additional Voices (voice)