| Cast | |||
|---|---|---|---|
| Colin Baker |  | The Doctor |  |
| Miranda Raison |  | Constance Clarke | |
| Michael J Shannon |  | Dr Hugo Macht | |
| Nell Mooney | | Professor Lisa Zetterling | |
| James Caroll Jordan | | Major Vincent Da Costa/Herger | |
| Ryan Forde | | Bryce/Talessh | |
Home Region:
| Cast | |||
|---|---|---|---|
| Colin Baker | | The Doctor | |
| Miranda Raison | | Constance Clarke | |
| Michael J Shannon | | Dr Hugo Macht | |
| Nell Mooney | | Professor Lisa Zetterling | |
| James Caroll Jordan | | Major Vincent Da Costa/Herger | |
| Ryan Forde | | Bryce/Talessh | |
Home Region: