Directed by
| Barnaby Edwards | ... | (directed by) |
Writing Credits (in alphabetical order)
| Jonathan Morris | ... | (writer) |
Cast (in credits order)
| Peter Davison | ... | The Doctor (voice) | |
| Sarah Sutton | ... | Nyssa (voice) | |
| Janet Fielding | ... | Tegan Jovanka (voice) | |
| Mark Strickson | ... | Vislor Turlough (voice) | |
| Raymond Coulthard | ... | Loki / Edgar / Hawks (voice) | |
| Helen Griffin | ... | Director Cardell / Ship's Computer (voice) | |
 |
Charlotte Lucas | ... | Bio Technician Vallis / Echelon (voice) |
| Adrian Lukis | ... | Enforcement Office Bragg (voice) | |
Produced by
| Nicholas Briggs | ... | executive producer |
| Jason Haigh-Ellery | ... | executive producer |
| David Richardson | ... | producer |
Music by
| Steve Foxon | ... | composer |
Art Department
| Iain Robertson | ... | Cover Art |
Sound Department
| Steve Foxon | ... | sound designer |
Script and Continuity Department
| Alan Barnes | ... | script editor |