Many incarnations of the Doctors and their old companions are taken out of time and deposited in the Death Zone on Gallifrey. There, they must battle the Master, Daleks, Cybermen and Yeti in order to reach the Dark Tower and discover the Tomb of Rassilon.
| Costume & Make-Up | Jill Hagger | Makeup Artist |
| Lighting | Don Babbage | Lighting Technician |
| Editing | Hugh Parson | Editor |
| Visual Effects | Dave Chapman | Visual Effects |
| Art | Robert Fleming | Property Buyer |
| Sound | John Gatland | Sound |
| Sound | Andy Freeth | Sound Mixer |
| Camera | John Baker | Camera Operator |
| Sound | Peter Howell | Music Arranger |
| Art | Malcolm Thornton | Production Design |
| Art | Jean Peyre | Art Designer |
| Crew | Shirley Coward | Mix Technician |
| Production | Shirley O'Mara | Post Production Coordinator |
| Production | Richard Molesworth | Researcher |
| Sound | Benedict Peissel | Sound Mixer |
| Crew | Pauline Seager | Floor Runner |
| Sound | Martin Ridout | Sound |
| Visual Effects | Jo McGrogan | Visual Effects |
| Camera | Alec Wheal | Camera Supervisor |
| Art | Steve Broster | Graphic Designer |
| Costume & Make-Up | Colin Lavers | Costume Design |
| Art | Ian Hewett | Graphic Designer |
| Writing | Eric Saward | Script Editor |
| Crew | Fintan Sheehan | Cinematography |
| Sound | Brian Hodgson | Sound Effects Designer |
| Sound | Ron Grainer | Music Score Producer |
| Production | Jean Davis | Production Assistant |
| Crew | Derek Thompson | Technical Supervisor |
| Production | Sue Kerr | Producer |
| Production | John Nathan-Turner | Producer |
| Production | Ian Levine | Production Consultant |
| Visual Effects | John Brace | Visual Effects Designer |
| Sound | Delia Derbyshire | Music Arranger |
| Sound | John Taylor | Boom Operator |
| Visual Effects | Alison Rickman | Visual Effects |
| Production | June Collins | Production Assistant |
| Production | Jeremy Silberston | Production Manager |
| Production | Ralph Montagu | Production Consultant |
| Visual Effects | John Humphreys | Creature Design |
| Visual Effects | Steve Roberts | Visual Effects |
| Editing | M.A.C. Adams | Editor |
| Visual Effects | Graham Brown | Visual Effects Assistant Editor |
| Visual Effects | Mike Kelt | Visual Effects Designer |
| Editing | Paul Vanezis | Editor |
| Production | Paul Vanezis | Producer |
| Directing | Peter Moffatt | Director |
| Writing | Terrance Dicks | Writer |
| Editing | Tariq Anwar | Editor |