 | Belinda Lee als Molly Wilson |
 | Ronald Lewis als Gerry Carter |
 | Michael Brooke als Freddie Haywood |
 | David McCallum als Mike Wilson |
 | Michael Gwynn als Steve Waring |
 | Geoffrey Keen als Mr. Haywood |
| Maureen Pryor als Mrs. Haywood |
| George Selway als Paddy |
 | George A. Cooper als Harry |
 | Anne Blake als Mrs. Wilson (uncredited) |
| Fanny Carby als Woman with Pram (uncredited) |
| Peggy Ann Clifford als Mrs. Wilson's Neighbour (uncredited) |
 | Wendy Craig als Receptionist (uncredited) |
 | David de Keyser als Ticket Clerk (uncredited) |
 | Jill Dixon als Joan (uncredited) |
| Hilda Fenemore als Mrs. Haywood's Neighbour (uncredited) |
 | Gretchen Franklin als Mother (uncredited) |
 | Ian Hendry als Man Inside (uncredited) |
 | Patrick Jordan als Constable (uncredited) |
 | Alan MacNaughtan als Police Inspector (uncredited) |
 | Hugh Manning als Sergeant Paynter (uncredited) |
| Alfred Maron als Night Watchman (uncredited) |
 | Lee Montague als Jeweller (uncredited) |
| Rudolph Offenbach als Van Bijl (uncredited) |
 | Philip Ray als Mr. Venner (uncredited) |
| George Roderick als Venner's Visitor (uncredited) |
| Barry Steele als Small Man (uncredited) |
 | John Welsh als Mr. Christian (uncredited) |
| Clive Donner | Director |
| Lynette Perry | Writer |
| Michael Stringer | Production Design |
| Tilly Day | Continuity |
| Ernest Steward | Director of Photography |
| Peter Bezencenet | Editor |
| Vernon Dixon | Set Decoration |
| Clifton Parker | Original Music Composer |
| Margaret Furse | Costume Design |
| Eddie Knight | Makeup Artist |
| Muir Mathieson | Conductor |
| Earl St. John | Executive Producer |
| Iris Tilley | Hairstylist |
| Anthony Perry | Associate Producer |
| John Bryan | Producer |
| C. C. Stevens | Sound Recordist |
| Don Sharpe | Sound Editor |
| Bill Daniels | Sound Recordist |
| H. A. R. Thomson | Camera Operator |
| George Mills | Production Manager |
| Rory Gowans | Assistant Director |
