| Directed by |
John Guillermin |
|
| Cast: | ||
| Supt. Mike Halloran | John Mills | |
| Dr. John Fenner | Charles Coburn | |
| Elizabeth Fenner | Barbara Bates | |
| Mark Roper | Derek Farr | |
| Mrs. Crowley | Fay Compton | |
| Charles Dixon | Geoffrey Keen | |
| Helen Dixon | Margaretta Scott | |
| Police Sgt. Rogers | Meredith Edwards | |
| Dr. Reese | Raymond Huntley | |
| Mary Roper | Maureen Connell | |
| Asst. Commissioner Beckett | Newton Blick | |
| Club Committee Woman | Grace Arnold | |
| Matron | Marjorie Hume | |
| Police Station Sergeant | Jack McNaughton | |
| Hospital Secretary | Eric Porter | |
| Director of photography |
Basil Emmott |
|
| Music composed by |
Tristram Cary |
|