| PR | Eleanor | Vansittart | History and German teacher at Meadowbank School. |
| | Honoria | Bulstrode | Meadowbank School headmistress. |
| | Miss | Chadwick | Co-founder of Meadowbank School. aka: Chaddy. |
| | Mrs. | Bird | Teacher. |
| | Mrs. | Rowan | Junior mistress at Meadowbank School. Psychologist. |
| | Ann | Shapland | Mrs. Bulstrode's secretary. |
| | Alistair | Hargreaves | Mrs. Vansittart's acquaintance. |
| | Alison | | Lives at Meadowbank School. |
| | Mervyn | Todhunter | Oil company executive. |
| | Dennis | Rathbone | Ann's boyfriend. |
| | Elspeth | Johnson | Meadowbank's matron. |
| | Pamela | | Adam's new friend. |
| | Angele | Blanche | New French mistress. |
| | Eileen | Rich | English and Geography teacher. |
| | Miss | Blake | Junior mistress. |
| | | Guiseppe | Man who wants to enroll his daughter at Meadowbank. |
| | Gerald | Hope | Mother whose daughter is enrolled at Meadowbank. |
| | Henrietta | Hope | Intelligent student. Gerald's daughter. |
| | Princess | Shaita | New student. |
| | Mrs. | Upjohn | Julia's mother. |
| | Julia | Upjohn | New student. |
| | Veronica C. | Sandways | Charming woman who is attached to her twin daughters. |
| | Major Carlton | Sandways | Lady Veronica's husband. |
| | Edith | Johnson | Lady Veronica's old maid. Miss Johnson's sister. |
| 1 | Prince Ali | Yusuf | Hereditary sheikh of Ramat. Ruler of Ramat. |
| | Bob | Rawlinson | Prince Ali's best friend. The Squadron Leader. |
| | Achmed | Abdullah | Prince Ali's grandfather. |
| 2 | Joan | Sutcliffe | Bob's sister. |
| | Jennifer | Sutcliffe | Joan's daughter. |
| | Mr. | Hurst | Mrs. Hurst's husband. A man Joan had a picnic with. |
| | Mrs. | Hurst | Mr. Hurt's wife. A woman Joan had a picnic with. |
| | John | Edmunson | Third secretary at British Embassy. |
| 3 | Colonel | Pikeaway | Senior member of the Special Branch. |
| | Derek | O'Connor | A member of the foreign office. |
| | Ronnie | | Was undercover as a gardener at Meadowbank. |
| | Mr. | Robinson | Englishman who helped Colonel Pikeaway. |
| | Angelica | de Toredo | Spanish dancer in a local Cabaret. |
| 4 | Henry | Sutcliffe | Joan's husband. Jennifer's father. |
| | Andrew | Ball | Thief in Sutcliffe's house. |
| | Mrs. | Ellis | Sutcliffe's deaf neighbor. |
| | Rosamond | | Jennifer's aunt. |
| 5 | Miss | Laurie | Drawing mistress. |
| | Grace | Springer | Gym teacher. Physical therapist. |
| | Margaret | Gore-West | Senior prefect. |
| | Princess | Ingrid | Girl enrolled in Meadowbank. |
| | Briggs | | Gardener at Meadowbank. |
| | Dick | | Edith's husband. |
| | Oliver | | Edith's son. |
| | Kate | | Edith's daughter. |
| | Gloria | | Miss Vansittart's friend. |
| | Marjorie | | Gloria's daughter. |
| | Louis | | Adam's new friend. |
| | Mary | Vyse | Adam's new friend. |
| 6 | Vera | Lorrimer | Girl enrolled in Meadowbank. |
| | Andrew | Peters | Ann's former employer. |
| | Monica | Lord | Actress. Ann's former employer. |
| | Genevieve | Depuy | Teacher. |
| 7 | Anderson | | Professor. |
| 8 | Sergeant | Green | St. Cyprian police. |
| | Inspector | Kelsey | Police detective. |
| | Jane | | Girl who has a problem with her ears. |
| 9 | Mr. | Stone | Chief of Police. |
| | Percy | Bond | Police sergeant. |
| 10 | Emir | Ibrahim | Princess Shaista's uncle. |
| 11 | Mrs. | Kolinsky | Woman staying at the Grand Hotel. |
| 12 | Isabel | | Julia's aunt. |
| | Mrs. | Campbell | Jennifer's grandmother. aka: Aunt Gina. |
| 13 | Henry | Banks | Chairman of the Governors. |
