 
          
    The laboratory of Nobel Prize-winning Professor Ekdorf is broken into, and a device that can cure paralysis is stolen. Realising the harm that such a machine could cause if in the wrong hands, Professor Ekdorf goes to his friend Mr. Sweet, an antiquarian bookseller, for help.
| Name | Type | Role | |
|---|---|---|---|
| Trevor Preston | Writer | ||
| Donald Layne-Smith | Guest Star | ||
| David Prowse | Guest Star | ||
| Michael MacKenzie | Guest Star | ||
| Tony Selby | Guest Star | ||
| Judy Loe | Guest Star | ||
| John Russell | Director |