The Armageddon Factor
| Category | TV Episode |
| Genre | Adventure, Drama, Science Fiction |
| Country | United Kingdom |
| Premiere | 1979-01-20 |
| Cast | Tom Baker (as The Doctor), Mary Tamm (as Romana), Ian Liston (as 'Hero'), Susan Skipper (as 'Heroine'), Barry Jackson (as Drax), John Cannon (as Guard), Harry Fielder (as Guard), John Woodvine (as Marshall), Ian Saynor (as Merak), Pat Gorman (as Pilot), Lalla Ward (as Princess Astra), Davyd Harries (as Shapp), Iain Armstrong (as Technician), Valentine Dyall (as The Guardian), William Squire (as The Shadow ) |
| Director | Michael Hayes (4) |
| Incidental Music Composer | Dudley Simpson |
| Producer | Graham Williams |
| Producer (Uncredited) | David Maloney |
| Production Company | British Broadcasting Corporation (BBC) |
| Production Unit Manager | John Nathan-Turner |
| Script Editor | Anthony Read |
| Script Editor (Uncredited) | Douglas Adams |
| Special Sounds | Dick Mills |
| Visual Effects | John Horton |
| Voice | John Leeson (2) (as K9) |
| Writer | Bob Baker, Dave Martin |
| Links | http://www.bbc.co.uk/doctorwho/classic/episodeguide/armageddonfactor/ · https://en.wikipedia.org/wiki/The_Armageddon_Factor · Part One · Part Two · Part Three · Part Four · Part Five · Part Six |