| Name | Character | Episodes |
|---|---|---|
| Uschi Glas | Judy Black | 2 |
| Rosemarie Fendel | Mary Rogers | 2 |
| Wolfgang Kieling | Heaton | 2 |
| Harald Leipnitz | Scotland-Yard-Inspektor Harry Dawson | 2 |
| Michael Hinz | Hubert Rogers | 2 |
| Walter Kohut | Nat Fletcher | 2 |
| Margot Hielscher | Sybill Conway | 2 |
| Herbert Fleischmann | Chefinspektor Yardley | 2 |
| Jan Niklas | Douglas Craft | 2 |