 | Arnold Schwarzenegger als Conan |
 | Grace Jones als Zula |
 | Wilt Chamberlain als Bombaata |
 | Mako als Akiro 'The Wizard' |
 | Tracey Walter als Malak |
 | Sarah Douglas als Queen Taramis |
 | Olivia d'Abo als Princess Jehnna |
 | Pat Roach als Man Ape / Toth-Amon |
 | Jeff Corey als Grand Vizier |
 | Sven-Ole Thorsen als Togra |
 | Bruce Fleischer als Village Heckler |
 | Ferdy Mayne als The Leader |
| Angel Ashley als (uncredited) |
| Matt Conner als Zeus (uncredited) |
 | Erik Holmey als Henchman of Queen Taramis (uncredited) |
| Juan Jaramillo als Rich Man Outside Taramis' Palace (uncredited) |
 | Terry O'Neill als Village Heavy (uncredited) |
 | André Roussimoff als Dagoth (uncredited) |
| John Sabol als Warrior in Village (uncredited) |
| Pablo Talamante als Warrior (uncredited) |
| Richard Fleischer | Director |
| Stanley Mann | Screenplay |
| Raffaella De Laurentiis | Producer |
| Edward R. Pressman | Producer |
| Basil Poledouris | Original Music Composer |
| Jack Cardiff | Director of Photography |
| Frank J. Urioste | Editor |
| Gerry Conway | Story |
| Robert E. Howard | Characters |
| Dino De Laurentiis | Executive Producer |
| Stephen F. Kesten | Executive Producer |
| Johanna Ray | Casting |
| Pier Luigi Basile | Production Design |
| Roy Thomas | Story |
| Giles Masters | Draughtsman |
| Giorgio Desideri | Set Dresser |
| José María Alarcón | Art Direction |
| Kevin Phipps | Art Direction |
| Sante Barelli | Painter |
| Tanya Lowe | Production Illustrator |
| Andrew Holder | Sculptor |
| Neil Binney | Camera Operator |
| George Whitear | Still Photographer |
| John Bloomfield | Costume Design |
| Mirella De Rossi | Key Hair Stylist |
| Luigi Rocchetti | Makeup Artist |
| Anuar Badin | Production Supervisor |
| Stephen F. Kesten | Unit Production Manager |
| Ron Downing | Standby Painter |
| William Stout | Conceptual Design |
| Graham Sumner | Property Master |
| Moises Pineda | Set Decoration Buyer |
| Ray Alba | Sound Editor |
| Wayne Artman | Sound Re-Recording Mixer |
| Milton C. Burrow | Supervising Sound Editor |
| Manuel Topete | Sound mixer |
| Carlo Rambaldi | Creature Design |
| John K. Stirber | Special Effects Supervisor |
| Charles L. Finance | Visual Effects Coordinator |
| Vic Armstrong | Stunt Coordinator |
| Román Ariznavarreta | Stunts |
| Roy Furness | Electrician |
| Frank Heeney | Gaffer |
| John Matthews | Best Boy Electric |
| Mark Eggenweiler | Assistant Editor |
| Greig McRitchie | Orchestrator |
| Arturo Curiel | Driver |
| Craig Campobasso | Production Office Assistant |
| Pamela Carlton | Script Supervisor |
| Juan Clemente Prosper | Location Manager |
| Anne Strick | Unit Publicist |
| Apache | Key Grip |
| Mary Etta Lang | Ager/Dyer |
| Thomas Casterline | Wardrobe Supervisor |
| Donah Bassett | Negative Cutter |
| Nina Axelrod | Casting Assistant |
| Shelley Brown | Apprentice Sound Editor |
| Jeff Jones | Assistant Sound Editor |
| Basil Poledouris | Conductor |
| Angelo Giovagnoli | Musician |
| Daniel Allan Carlin | Supervising Music Editor |
| Steve Cooper | Draughtsman |
| Maurice Zuberano | Storyboard Artist |
| Antonio Balandín | Special Effects Technician |
| David Tondeur | Clapper Loader |
| Roger McDonald | Focus Puller |
| Gilbert Marouani | Music Consultant |
| Eduardo De La Grana | Assistant Accountant |
| Dino De Laurentiis | Presenter |
| Mason Cardiff | Production Assistant |
| Debbie Peterson | Production Secretary |
| L. Sprague De Camp | Technical Advisor |
| Dino De Laurentiis | Producer |
