| Name | Character | Episodes |
|---|---|---|
| Richard Warner | Dr. Richard John | 1 |
| Peter Illing | Max Eisenstein | 1 |
| Margaretta Scott | Lady Spencer | 1 |
| Derek Waring | Rollo | 1 |
| Hana Maria Pravda | Else Schulse | 1 |
| Jill Melford | Marigold | 1 |
| Ivor Salter | Grunlich | 1 |
| Graydon Gould | Jimmy Lederer | 1 |
| Peter Birrel | Carleton Myatt | 1 |