| Cast | |||
|---|---|---|---|
| Colin Baker |  | The Doctor |  |
| Nicola Bryant |  | Peri | |
| Fiona Bruce |  | Mrs Helen Smith / Hartmann | |
| Mark Elstob | | Oberst Brandt / Reynolds | |
| Glen McCready | | Professor Winter | |
| John Schwab |  | Harry Houdini | |
Home Region:
| Cast | |||
|---|---|---|---|
| Colin Baker | | The Doctor | |
| Nicola Bryant | | Peri | |
| Fiona Bruce | | Mrs Helen Smith / Hartmann | |
| Mark Elstob | | Oberst Brandt / Reynolds | |
| Glen McCready | | Professor Winter | |
| John Schwab | | Harry Houdini | |
Home Region: