| Roger Moore | .... | James Bond |
| Lois Chiles | .... | Dr. Holly Goodhead |
| Michael Lonsdale | .... | Hugo Drax |
| Richard Kiel | .... | Jaws |
| Corinne Cléry | .... | Corinne Dufour |
| Bernard Lee | .... | M |
| Geoffrey Keen | .... | Sir Frederick Gray |
| Desmond Llewelyn | .... | Q |
| Lois Maxwell | .... | Miss Moneypenny |
| Toshiro Suga | .... | Chang |
| Emily Bolton | .... | Manuela |
| Blanche Ravalec | .... | Dolly - Jaws' Girlfriend |
| Irka Bochenko | .... | Blonde Beauty |
| Michael Marshall | .... | Col. Scott |
| Leila Shenna | .... | Hostess Private Jet |
| Anne Lonnberg | .... | Museum Guide |
| Jean Pierre Castaldi | .... | Pilot Private Jet |
| Walter Gotell | .... | General Anatol Gogol |
| Douglas Lambert | .... | Mission Control Director |
| Arthur Howard | .... | Cavendish |
| Alfie Bass | .... | Consumptive Italian |
| Brian Keith | .... | U.S. Shuttle Captain |
| George Birt | .... | Captain - Boeing 747 |
| Kim Fortune | .... | R.A.F. Officer |
| Lizzie Warville | .... | Russian Girl |
| Johnny Traber's Troupe | .... | Funambulists |
| Nicholas Arbez | .... | Drax's Boy |
| Guy Di Rigo | .... | Ambulanceman |
| Chris Dillinger | .... | Drax's Technician |
| Claude Carliez | .... | Gondolier |
| Georges Beller | .... | Drax's Technician |
| Denis Seurat | .... | Officer - Boeing 747 |
| Chichinou Kaeppler | .... | Drax's Girl - Signora Del Mateo |
| Christina Hui | .... | Drax's Girl |
| Francoise Gayat | .... | Drax's Girl - Lady Victoria Devon |
| Nicaise Jean Louis | .... | Drax's Girl |
| Catherine Serre | .... | Drax's Girl - Countess Labinsky |
| Beatrice Libert | .... | Drax's Girl - Mademoiselle Deradier |
| Ken Adam | .... | Man at St. Marks Square (uncredited) |
| Jean-Louis Airola | .... | Drax Radarman 2 (uncredited) |
| S. Newton Anderson | .... | Samuel (uncredited) |
| Jenny Arasse | .... | Bit Part (uncredited) |
| Michel Berreur | .... | Venice Boat Pilot (uncredited) |
| Daniel Breton | .... | Fighting Monk / Spatial Base Guard (uncredited) |
| Albert R. Broccoli | .... | Man at St. Marks Square (uncredited) |
| Dana Broccoli | .... | Woman at St. Mark's Square (uncredited) |
| George Lane Cooper | .... | Space Fighter (uncredited) |
| Jack Cooper | .... | Space Fighter (uncredited) |
| Guy Delorme | .... | Tree Assassin (uncredited) |
| Eddie Eddon | .... | Space Fighter (uncredited) |
| Benoît Ferreux | .... | Moonraker Pilot (uncredited) |
| Patrick Floersheim | .... | Moonraker Pilot (uncredited) |
| Terry Forrestal | .... | Space Fighter (uncredited) |
| David Gabison | .... | Technician in Drax Launching Site (uncredited) |
| Lewis Gilbert | .... | Man at St. Mark's Square (uncredited) |
| Richard Graydon | .... | Space Fighter (uncredited) |
| Rika Hofmann | .... | Model (uncredited) |
| Peter Howitt | .... | Rio de Janeiro Hotel Manager (uncredited) |
| Dominique Hulin | .... | (uncredited) |
| W. C. 'Chunky' Huse | .... | Sailor at St. Mark's Square (uncredited) |
| Carlos Kurt | .... | Airport Metal Detector Guard (uncredited) |
| Melinda Maxwell | .... | Drax's Girl (uncredited) |
| Marc Mazza | .... | Technician in Venini Laboratory (uncredited) |
| Alexandra Middendorf | .... | Moonraker Launch Technician (uncredited) |
| Patrick Morin | .... | Painter at St. Mark's Square (uncredited) |
| Ralph Morse | .... | Astronaut (uncredited) |
| Daniel Perche | .... | Drax Radarman 1 (uncredited) |
| Jacques Pisias | .... | Waiter at St. Mark's Square (uncredited) |
| Jean Rupert | .... | Technician in Venini laboratory (uncredited) |
| Marc Smith | .... | Tannoy voice (uncredited) |
| John Sullivan | .... | Space Fighter (uncredited) |
| Victor Tourjansky | .... | Man with Bottle (uncredited) |
| Jean Tournier | .... | Painter at St. Mark's Square (uncredited) |
| Nikki Van der Zyl | .... | Corinne Dufour (uncredited, voice) |
| Herma Vos | .... | Astronaut (uncredited) |
| Malcolm Weaver | .... | Space Fighter (uncredited) |
| Paul Weston | .... | Space Fighter (uncredited) |
| Michael G. Wilson | .... | Man Outside Venini Glass / NASA Technician / Man on Bridge (uncredited) |