David Graham

Gordon Tracy / Parker / Brains / Kyrano (voice)

Dalek (voice)

Grandpa Ebenezer Twink / Hank (voice)

Dr. Horatio Beaker / Mitch the Monkey / Morse Operator (voice)

Dr. Horatio Beaker / Mitch the Monkey / Herman Gredenski (voice)

Professor Matthew Matic / Lieutenant Ninety / Zoonie the Lazoon / Zodan / Warrior Countdown (voice)

Professor Mattew 'Matt' Matic / Lieutenant Ninety / Zoonie the Lazoon / Doctor Baker (voice)

Professor Matthew Matic / Lieutenant Ninety / Freighter A14 (voice)

Self

Teleplay

Parker / Brains / Kyrano / Gordon Tracy (voice)

Teleplay

Grandpa Pig (voice)

Parker / Vic (voice)

Grandpa Pig / Mr Zebra (voice)

Parker / Brains (voice)

Self / Parker / Brains

Brains / Parker / Thunderbirds (voice)

Wise Old Elf

Prof Keresnky (archive footage)

Self

Himself

Grandpa Pig (voice)

Self

Self

Scientist

Trip