A young woman finds herself as the intended victim of a murder plot on a transatlantic flight from London to New York.Crime | Drama | Romance | Thriller | Sci-Fi
| John Loder | … | Inspector Jim Grant | |
| Anna Lee | … | Jennie Carr | |
| Francis L. Sullivan | … | Hugo Brant | |
| Frank Cellier | … | Sam Pryor | |
| Desmond Tester | … | Arnold James | |
| Athene Seyler | … | Aunt Veronica | |
| William Dewhurst | … | Mortimer | |
| Drusilla Wills | … | Mrs. Carr | |
| Jerry Verno | … | Steward | |
| James Pirrie | … | Billy Cooper | |
| Ellen Pollock | … | Miss Harvey | |
| Arthur Goullet | … | Abel | |
| Peter Bull | … | Spurgeon | |
| Tony Quinn | … | Harrigan | |
| H.G. Stoker | … | Captain |