| Cast | |||
|---|---|---|---|
| Peter Davison |  | The Doctor |  |
| Janet Fielding |  | Tegan | |
| Sarah Sutton |  | Nyssa | |
| Jacqueline Pearce |  | Queen Zafira | |
| Toby Hadoke |  | Mike Bretherton | |
| Richard Mark |  | Lord Jezzavar | |
| Dan Starkey |  | Lord Zellenger | |
| Sean Brosnan | | Astorius | |
| Production Team | |||
|---|---|---|---|
| Paul Finch | | Writer | |
| Peter Ling | | From a story by | |
| Hazel Adair | | From a story by | |
| Ken Bentley | | Director | |
| Simon Robinson | | Sound | |
| Simon Robinson | | Music | |
| Alex Mallinson | | Cover Art | |
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