 | Gene Tierney als Kay Barlow |
 | Leo Genn als Stephen Barlow |
 | Glynis Johns als Barbara Vining |
 | Walter Fitzgerald als Henry Vining |
 | Pamela Brown als Evelyn |
 | Megs Jenkins als Vi Vining |
 | Michael Hordern als Headmaster Griffith |
 | Thora Hird als Mrs. Usher |
 | Norah Gorsen als Phoebe (as Norah Gaussen) |
 | Nanette Newman als Sally |
 | Martin Boddey als Police Inspector Fred Garland (uncredited) |
| Michael Brennan als Police Officer (uncredited) |
| Peggy Ann Clifford als 3rd Gossip (uncredited) |
 | Shirley Eaton als Schoolgirl (uncredited) |
 | Everley Gregg als Mrs. Welsh (uncredited) |
 | Lucy Griffiths als 2nd Gossip (uncredited) |
| Philo Hauser als Thin Man in Telephone Box (uncredited) |
 | Noel Hood als 4th Gossip (uncredited) |
 | John Horsley als Parson (uncredited) |
 | Avice Landone als 1st Gossip (uncredited) |
 | Michael Ripper als Reporter (uncredited) |
| John Warren als Man in Newsroom (uncredited) |
| Mela White als Cockney Girl (uncredited) |
| Anthony Pelissier | Director |
| Lesley Storm | Theatre Play |
| Lesley Storm | Screenplay |
| Antony Darnborough | Producer |
| Earl St. John | Executive Producer |
| William Alwyn | Original Music Composer |
| Reginald H. Wyer | Director of Photography |
| Frederick Wilson | Editor |
| Cedric Dawe | Art Direction |
| W.T. Partleton | Makeup Artist |
| Hugh Attwooll | Production Manager |
| George Pollock | Assistant Director |
| Gordon K. McCallum | Sound Recordist |
| Harry Miller | Sound Editor |
| John W. Mitchell | Sound Recordist |
| Basil Fenton-Smith | Boom Operator |
| David Harcourt | Camera Operator |
| Joan Ellacott | Costume Supervisor |
| Muir Mathieson | Conductor |
| Tilly Day | Continuity |
| Arthur Alcott | Production Controller |
