| Person | Type | Job | Role(s) |
|---|---|---|---|
 Antoine Garabedian | Crew | Costume & Make-Up | Makeup Department Head |
Bud Molin | Crew | Editing | Editor |
Chic Anstiss | Crew | Camera | Camera Operator |
 Dan Perri | Crew | Art | Title Designer |
David V. Picker | Crew | Production | Producer |
Dennis J. Parrish | Crew | Art | Property Master |
 Ennio Morricone | Crew | Sound | Original Music Composer |
Enrico Sabbatini | Crew | Costume & Make-Up | Costume Design |
François Doge | Crew | Crew | Stunt Driver |
 Freddie Young | Crew | Camera | Director of Photography |
Giancarlo De Leonardis | Crew | Costume & Make-Up | Hair Department Head |
Gianni Cozzo | Crew | Directing | Assistant Director |
Giovanni Viti | Crew | Costume & Make-Up | Assistant Costume Designer |
Hasso von Hugo | Crew | Costume & Make-Up | Makeup & Hair |
John Fenner | Crew | Lighting | Gaffer |
Laird Koenig | Crew | Writing | Screenplay |
Lee Osborne | Crew | Sound | Sound Effects Editor |
Milton Lustig | Crew | Sound | Music Editor |
Nick Maley | Crew | Costume & Make-Up | Makeup Artist |
Pierre Jalbert | Crew | Sound | Dialogue Editor |
Richard McWhorter | Crew | Production | Associate Producer |
Sidney Beckerman | Crew | Production | Producer |
 Sidney Sheldon | Crew | Writing | Novel |
Ted Haworth | Crew | Art | Production Design |
 Terence Young | Crew | Directing | Director |
Trevor Coop | Crew | Camera | Focus Puller |
Piero Amati | Crew | Production | Unit Manager |
Gordon Everett | Crew | Sound | Sound Mixer |
John Wilkinson | Crew | Sound | Sound Re-Recording Mixer |
John Haggar | Crew | Editing | Assistant Editor |
Fernando Valento | Crew | Art | Construction Manager |
Richard Adams | Crew | Sound | Sound Effects Editor |
John Longmuir | Crew | Directing | First Assistant Director |
John Southwood | Crew | Production | Location Manager |
Sergio Strizzi | Crew | Camera | Still Photographer |
 Audrey Hepburn | Cast | Actress | Elizabeth Roffe |
 Beatrice Straight | Cast | Actress | Kate Erling |
 Ben Gazzara | Cast | Actor | Rhys Williams |
 Charles Millot | Cast | Actor | Commissaire Bloche |
 Claudia Mori | Cast | Actress | Donatella |
 Dan van Husen | Cast | Actor | Cameraman |
 Derrick Branche | Cast | Actor | Chemin-de-fer Player |
 Dietlinde Turban | Cast | Actress | Terenia |
 Donald Symington | Cast | Actor | Henley |
 Eleonore Melzer | Cast | Actress | 3rd Murder Victim |
Franziska Stömmer | Cast | Actress | Innkeeper |
 Friedrich von Ledebur | Cast | Actor | Innkeeper |
 Gert Fröbe | Cast | Actor | Inspector Max Hornung |
 Guy Rolfe | Cast | Actor | Tod Michaels |
 Hans von Borsody | Cast | Actor | Peasant Guard |
 Irene Papas | Cast | Actress | Simonetta Palazzi |
 Ivan Desny | Cast | Actor | Jeweller |
 James Mason | Cast | Actor | Sir Alec Nichols |
Josef Fröhlich | Cast | Actor | Interpol Officer |
 Klaus Guth | Cast | Actor | Coroner |
 Leslie Sands | Cast | Actor | Doctor |
 Marcel Bozzuffi | Cast | Actor | Man in Black |
 Maurice Colbourne | Cast | Actor | Jon Swinton |
 Maurice Ronet | Cast | Actor | Charles Martin |
 Michelle Phillips | Cast | Actress | Vivian Nichols |
 Omar Sharif | Cast | Actor | Ivo Palazzi |
 Pinkas Braun | Cast | Actor | Dr. Wal |
 Romy Schneider | Cast | Actress | Helene Martin |
 Vadim Glowna | Cast | Actor | Dr. Emile Joeppli |
 Walter Kohut | Cast | Actor | Krauss |
 Wolfgang Preiss | Cast | Actor | Julius Prager |
Wulf Kessler | Cast | Actor | Young Sam Roffe |
 Yves Barsacq | Cast | Actor | Bookseller |
Lisa Woska | Cast | Mrs. Wal | |
Monika Vogl | Cast | Actress | Murder Victim |
Brigitte Döllerer | Cast | Actress | 1st Murder Victim |
Milda Jansen | Cast | Actress | 2nd Murder Victim |
| Person | Type | Job | Role(s) |
