Sylvia Anderson
Lady Penelope Creighton-Ward/Air Terrainean Guide (voice)
Ray Barrett
John Tracy/The Hood/Alan Tracy/Fireflash Co-Pilot/Assistant Controller/Harris/TX 204 Pilot (voice)
Peter Dyneley
Jeff Tracy/Commander Norman/Interceptor One Pilot (voice)
Christine Finn
Tin-Tin Kyrano/Airport Tannoy (voice)
David Graham
Gordon Tracy/Parker/Brains/Kyrano/Captain Hanson/Lt Bob Meddings/Fireflash Passenger/Crash Tenders/Doctor (voice)
David Holliday
Virgil Tracy (voice)
Shane Rimmer
Scott Tracy/TX 204 Co-pilot (voice)
Matt Zimmerman
(voice) (credit only)