 Peter DyneleyJeff Tracy / Commander Norman (voice) | Jeff Tracy / Commander Norman (voice) |
 Sylvia AndersonLady Penelope Creighton-Ward / Madeline / Telephone Operator (voice) | Lady Penelope Creighton-Ward / Madeline / Telephone Operator (voice) |
 Shane RimmerScott Tracy (voice) | Scott Tracy (voice) |
 Jeremy WilkinVirgil Tracy / Mason / D103 Pilot / 1st Reporter (voice) | Virgil Tracy / Mason / D103 Pilot / 1st Reporter (voice) |
 Matt ZimmermanAlan Tracy (voice) | Alan Tracy (voice) |
 David GrahamGordon Tracy / Brains / Parker / Skythrust Co-Pilot / Officer / Waiter / Fashion Buyers / Ross (voice) | Gordon Tracy / Brains / Parker / Skythrust Co-Pilot / Officer / Waiter / Fashion Buyers / Ross (voice) |
 Ray BarrettFrancois Lemaire / Captain Saville / Lieutenant Burroughs / Collins (voice) | Francois Lemaire / Captain Saville / Lieutenant Burroughs / Collins (voice) |
 Christine FinnTin-Tin Kyrano / Dierdre / Saville's Secretary (voice) | Tin-Tin Kyrano / Dierdre / Saville's Secretary (voice) |
 Paul MaxwellCaptain Ashton / 2nd Reporter (voice) (uncredited) | Captain Ashton / 2nd Reporter (voice) (uncredited) |
