| Clive | Barnes | The Vice Consul. |
| Louise | Butler | The man who worked at The Herald. |
| George | Clarkson | The man who worked at The Telegraph. |
| Lars | de Vries | One of Alex and Rosie's boy friends from Thailand. Aka: Diederik, Dr. Rappo. |
| Jason | Fellowes | Police officer. |
| Mags | Harding | Alex's best friend. |
| Joe | Jackson | A young reporter. Kate's colleague. |
| Jamie | Lawrence | The man Alex met at Thailand. Aka: JW, Jamie Way. |
| Dr. Aoife | Mortimer | Forensic pathologist. |
| Mick | Murray | The photographer. |
| Alexandra | O'Connor | Lesley and Malcolm's missing daughter. Aka: Alex. |
| Danny | O'Connor | Alex's brother. Aka: Dan. |
| Lesley | O'Connor | Alex's mother. |
| Malcolm | O'Connor | Lesley's husband. Alex's father. |
| Simon | Pearson | News editor. |
| Nicole | Ratner | Videographer. Jason's colleague. |
| Don | Richardson | The Post's Southeast Asia correspondent. |
| Zara | Salmond | The detective. |
| Constance | Shaw | Mike's mother. |
| Imogen | Shaw | Mike's new wife. |
| Jenny | Shaw | Rosie's mother. |
| Mike | Shaw | Rosie's father. |
| Rosie | Shaw | Alex's friend in Thailand. |
| Bob | Sparkes | Zara's boss. The detective inspector. |
| Eileen | Sparkes | Bob's wife. |
| Sam | Sparkes | Bob and Eileen's daughter. |
| Glen | Taylor | A suspect in the Bella Elliot kidnapping case. |
| Wendy | Turner | Family liaison officer. |
| Freddie | Waters | Kate and Steve's son. Jake's brother. |
| Jake | Waters | Kate and Steve's son. Aka: JW. |
| Kate S. | Waters | Steve's wife. A news reporter. |
| Steve | Waters | Kate's husband. |
| Mr. | Watson | Jamie's former employer. |
| Chloe | Wellington | The detective chief inspector. |
| Albert | | Kate's friend. |
| Deepika | | Law firm partner. |
| Fran | | Jenny's sister. |
| Gail | | One of the feature writers. |
| Helen | | The palliative nurse. |
| Hilary | | Sparkes' colleague. |
| Mama | | Owner of the guest house where Alex and Rosie stayed. |
| Nina | | Terry's assistant. |
| Prasongsanti | | The colonel. |
| Rick | | Danny's uncle. Sheila's husband. |
| Sheila | | Danny's aunt. |
| Terry | | Jackson's boss. |
