Casting | Rôle |
|---|
| Shane Rimmer | Scott Tracy / TX 204 Co-pilot (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) |
| David Graham | Gordon Tracy / Parker / Brains / Kyrano / Captain Hanson / Lt Bob Meddings (voice) |
| David Holliday | Virgil Tracy (voice) |
| Christine Finn | Tin-Tin Kyrano / Airport Tannoy (voice) |
| Sylvia Anderson | Lady Penelope Creighton-Ward / Air Terrainean Guide (voice) |
| Matt Zimmerman | (voice) (credit only) |
