LOCATION: City of Southwark Hospital, London DATE: October 24th A British government official suffers a brain hemorrhage. While in surgery, his surgeon is replaced by another man. Instead of killing the official, the substitute doctor completed the operation. The Department must find out why, while Jason disputes the official government records that state the official has never been to Istanbul.
| Name | Type | Role | |
|---|---|---|---|
| Leslie Darbon | Writer | ||
| Cyril Frankel | Director | ||
| Joel Fabiani | Actor | Stewart Sullivan | |
| Tony Thawnton | Actor | 1st Reporter | |
| Jean Marsh | Actor | Agatha Pollen | |
| Victor Baring | Actor | The Waiter | |
| Ronald Leigh-Hunt | Actor | Haslet-Wood | |
| Rosemary Nicols | Actor | Annabelle Hurst | |
| Johnny Briggs | Actor | 2nd Reporter | |
| Basil Dignam | Actor | Smith | |
| Francisca Tu | Actor | Turkish Nurse | |
| Dennis Alaba Peters | Actor | Curtis Seretse | |
| Nik Zaran | Actor | Turkish Imspector | |
| Martin Miller | Actor | Dutrov | |
| Philip Locke | Actor | Topek | |
| Cyril Luckham | Actor | Walker | |
| Sue Gerrard | Actor | English Nurse | |
| Marne Maitland | Actor | Turkish Caretaker | |
| Peter Wyngarde | Actor | Jason King | |
| George Roubicek | Actor | Balik | |
| Ronald Radd | Actor | Allison | |
| Sultana | Actor | Belly Dancer | |
| Harold Kasket | Actor | Korlandt |