Directed by
| Frank Nesbitt | ||
Writing Credits
| Neil McCallum | ... | (screenplay) |
| Evelyn Berckman | ... | (based on the novel "Do You Know This Voice ?" by) |
Cast (in credits order) complete, awaiting verification
| Dan Duryea | ... | Hopta | |
| Isa Miranda | ... | Mrs. Marotta | |
| Gwen Watford | ... | Mrs. Hopta | |
| Peter Madden | ... | Supt. Hume | |
| Barry Warren | ... | Det. Sgt. Connor | |
 |
Alan Edwards | ... | Mr. Wilson |
|
|
Jean Aubrey | ... | Trudy |
|
|
Shirley Cameron | ... | Mrs. Wilson |
|
|
Arnold Bell | ... | Desk Sergeant |
| Patrick Newell | ... | Neighbour | |
|
|
Hedger Wallace | ... | Reporter (as Geoffrey Hedger Wallace) |
| Rest of cast listed alphabetically: | |||
|
|
Ernest Fennemore | ... | Arresting P.C. (uncredited) |
|
|
Arthur Howell | ... | Arresting P.C. (uncredited) |
|
|
Joe Phelps | ... | Police Constable (uncredited) |
|
|
Arthur Sandifer | ... | Man Watching Telly (uncredited) |
| Jeff Silk | ... | Reporter (uncredited) | |
|
|
Joe Wadham | ... | Police Driver (uncredited) |
|
|
John Wilder | ... | Police Phone Technician (uncredited) |
Produced by
| Jack Parsons | ... | producer |
Music by
| Carlo Martelli | ||
Cinematography by
| Arthur Lavis | ... | director of photography |
Editing by
| Robert Winter | ||
Art Direction by
| George Provis | ||
Makeup Department
| Harold Fletcher | ... | makeup artist |
| Joyce James | ... | hairdresser |
Production Management
| Clifton Brandon | ... | production manager |
Second Unit Director or Assistant Director
| Gordon Gilbert | ... | assistant director |
| Michael Dryhurst | ... | second assistant director (uncredited) |
| Ray Freeborn | ... | third assistant director (uncredited) |
Art Department
| Tony Reading | ... | draughtsman (uncredited) |
| Peter Russell | ... | assistant art director (uncredited) |
Sound Department
| Buster Ambler | ... | sound recordist |
| Spencer Reeve | ... | sound editor |
| Tom Buchanan | ... | boom operator (uncredited) |
| Sandy Fairlie | ... | sound camera operator (uncredited) |
| Barbara Hopkins | ... | dubbing crew (uncredited) |
| Richard Langford | ... | dubbing crew (uncredited) |
| Colin Miller | ... | assistant sound editor (uncredited) |
| Fred Stoneham | ... | sound maintenance (uncredited) |
Camera and Electrical Department
| Len Harris | ... | camera operator |
| Louis H. Lavelly | ... | focus puller (uncredited) |
| Laurie Ridley | ... | still photographer (uncredited) |
Costume and Wardrobe Department
| Jean Fairlie | ... | wardrobe supervisor |
Editorial Department
| Clive Smith | ... | assistant editor |
Music Department
| Philip Martell | ... | conductor |
Script and Continuity Department
| Renée Glynne | ... | continuity (as Rene Glynne) |
Additional Crew
| Barbara Allen | ... | production secretary |
| Dora Dobson | ... | publicity director (uncredited) |
