The Master's TARDIS is repaired and the Doctor must follow him back to 20th century Heathrow, once he has rescued all the passengers and crew from both Concordes.
| Name | Type | Role | |
|---|---|---|---|
| Peter Grimwade | Writer | ||
| Peter Dahlsen (Horton) | Guest Star | ||
| Richard Easton (Captain Stapley) | Guest Star | ||
| Peter Cellier (Andrews) | Guest Star | ||
| John Flint | Guest Star | ||
| Judith Byfield (Angela Clifford) | Guest Star | ||
| Michael Cashman (First Officer Bilton) | Guest Star | ||
| Hugh Hayes (Anithon) | Guest Star | ||
| Keith Drinkel (Flight Engineeer Scobie) | Guest Star | ||
| Ron Jones | Director |