| Person | Type | Job | Role(s) |
|---|---|---|---|
 Agatha Christie | Crew | Writing | Novel |
 Barry Sandler | Crew | Writing | Screenplay |
Christopher Challis | Crew | Camera | Director of Photography |
 Guy Hamilton | Crew | Directing | Director |
John Brabourne | Crew | Production | Producer |
John Cameron | Crew | Sound | Original Music Composer |
John Roberts | Crew | Art | Art Direction |
 Jonathan Hales | Crew | Writing | Screenplay |
Michael Stringer | Crew | Art | Production Design |
Peter Howitt | Crew | Art | Set Decoration |
Phyllis Dalton | Crew | Costume & Make-Up | Costume Design |
Richard Goodwin | Crew | Production | Producer |
Richard Marden | Crew | Editing | Editor |
Albert Welch | Cast | Villager (uncredited) | |
 Allan Cuthbertson | Cast | Actor | Peter Montrose ("Murder at Midnight") |
 Angela Lansbury | Cast | Actress | Miss Marple |
 Angus MacKay | Cast | Actor | Coroner (uncredited) |
 Ann Nelson | Cast | Actress | Party Guest (uncredited) |
 Anthony Steel | Cast | Actor | Sir Derek Ridgeley ("Murder at Midnight") |
 Bill Dean | Cast | Actor | Man in Village Hall (uncredited) |
 Carolyn Pickles | Cast | Actress | Miss Giles |
 Charles Gray | Cast | Actor | Bates, The Butler |
Charles Lamb | Cast | Actor | Man in Village Hall (uncredited) |
 Charles Lloyd Pack | Cast | Actor | Vicar |
Cyril Kent | Cast | Villager at Film Screening (uncredited) | |
 Dinah Sheridan | Cast | Actress | Lady Amanda Ridgeley ("Murder at Midnight") |
 Edward Fox | Cast | Actor | Inspector Craddock |
 Elizabeth Taylor | Cast | Actress | Marina Rudd |
 Geraldine Chaplin | Cast | Actress | Ella Zielinsky |
 John Bennett | Cast | Actor | Barnsby ("Murder at Midnight") |
John Dalby | Cast | Bandmaster (uncredited) | |
 Kenneth Fortescue | Cast | Actor | Charles Foxwell ("Murder at Midnight") |
 Kim Novak | Cast | Actress | Lola Brewster |
 Llewellyn Rees | Cast | Actor | Villager at Film Screening (uncredited) |
 Margaret Courtenay | Cast | Actress | Mrs. Bantry |
 Maureen Bennett | Cast | Actress | Heather Babcock |
 Nigel Stock | Cast | Actor | Inspector Gates ("Murder at Midnight") |
 Norman Wooland | Cast | Actor | Medical Examiner (uncredited) |
Pat Nye | Cast | Actress | Mayoress |
 Peter Woodthorpe | Cast | Actor | Scout Master |
 Pierce Brosnan | Cast | Actor | Actor Playing Jamie (uncredited) |
 Richard Leech | Cast | Actor | Director of Photography (uncredited) |
 Richard Pearson | Cast | Actor | Doctor Haydock |
 Robert Raglan | Cast | Actor | Villager (uncredited) |
 Rock Hudson | Cast | Actor | Jason Rudd |
 Sam Kydd | Cast | Actor | Film Technician (uncredited) |
Thick Wilson | Cast | The Mayor | |
 Tony Curtis | Cast | Actor | Martin N. Fenn |
 Wendy Morgan | Cast | Actress | Cherry |
 Derek Lyons | Cast | Actor | Queen's Guard (uncredited) |
Del Watson | Cast | Villager (uncredited) | |
Stephen Boswell | Cast | Actor | Mr. Rudd's 1st Assistant Director (uncredited) |
 Frank Ellis | Cast | Actor | Policeman (uncredited) |
 Hildegard Neil | Cast | Actress | Lady Foxcroft ("Murder at Midnight") |
Oriane Grieve | Cast | Kate Ridgeley ("Murder at Midnight") | |
Jack Dearlove | Cast | Party Guest (uncredited) | |
 George Silver | Cast | Actor | Da Silva ("Murder at Midnight") |
Eric Dodson | Cast | Actor | The Major |
Marella Oppenheim | Cast | Margot Bence | |
John Ketteringham | Cast | Film Technician (uncredited) | |
Rita Tobin-Weske | Cast | Villager at Film Screening (uncredited) | |
Gerry Judge | Cast | Party Guest (uncredited) | |
John Doye | Cast | Party Guest (uncredited) | |
Les Conrad | Cast | Party Guest (uncredited) | |
Bunny Seaman | Cast | Dresser (uncredited) | |
Mike Reynell | Cast | Party Guest (uncredited) | |
| Person | Type | Job | Role(s) |
