The Doctor and Leela must catch a killer on a vast mining ship run by robots and humans.
| Directing | Michael E. Briant | Director |
| Production | Philip Hinchcliffe | Producer |
| Writing | Chris Boucher | Writer |
| Writing | Robert Holmes | Script Editor |
| Sound | Dudley Simpson | Original Music Composer |
| Crew | Dick Mills | Special Sound Effects |
| Production | Peter Grimwade | Production Assistant |
| Lighting | Duncan Brown | Lighting Director |
| Costume & Make-Up | Ann Briggs | Makeup Artist |
| Costume & Make-Up | Elizabeth Waller | Costume Design |
| Art | Kenneth Sharp | Production Design |
| Camera | Peter Chapman | Camera Operator |
| Sound | Tony Millier | Sound |
| Visual Effects | Richard Conway | Visual Effects Designer |
