At the Tranquil Repose mortuary, the Doctor and Peri uncover a sinister plot to create a new breed of Daleks under the supervision of the mysterious Great Healer.
| Directing | Graeme Harper | Director |
| Writing | Eric Saward | Writer |
| Camera | Alec Wheal | Camera Supervisor |
| Costume & Make-Up | Pat Godfrey | Costume Design |
| Art | Alan Spalding | Production Design |
| Camera | John Walker | Camera Operator |
| Editing | Ray Wingrove | Editor |
| Sound | Steve Gatland | Sound |
| Sound | Roger Limb | Music |
| Costume & Make-Up | Dorka Nieradzik | Makeup Artist |
| Production | John Nathan-Turner | Producer |
| Production | Elizabeth Sherry | Production Assistant |
| Production | Michael Cameron | Production Manager |
| Editing | Eric Saward | Editor |
| Crew | Dick Mills | Special Sound Effects |
| Lighting | Don Babbage | Lighting Director |
| Sound | Andy Stacey | Sound |
| Visual Effects | Dave Chapman | Visual Effects |
| Editing | Steve Newnham | Editor |
| Visual Effects | John Brace | Visual Effects Designer |
