Dalek (voice)
Parker / Brains (voice)
Self / Parker / Brains
Brains / Parker / Thunderbirds (voice)
Himself
Scientist
Dr. Horvath
Ephraimite Elder
Bruno
Admiral Henry Carson / Marin / Nucella / Marineville Tracking Station #1 / Jet Squadron Leader / Turata
Wireless Operator
Gordon Tracy / Brains / Aloysius Parker (voice) / John Tracy / Narrator (voice)
Gordon Tracy / Brains / Aloysius Parker (voice)
Dalek (voice)
Alvero Belda
Johnny
Lt. Moxhay
