 | Jane Fonda Barbarella |
 | John Phillip Law Pygar |
 | Anita Pallenberg The Great Tyrant |
 | Marcel Marceau Professor Ping |
 | Claude Dauphin President of Earth |
 | Milo O’Shea Concierge / Durand-Durand |
 | Véronique Vendell Captain Moon |
 | Serge Marquand Captain Sun |
 | Catherine Chevallier Stomoxys |
 | Marie Therese Chevallier Glossina |
 | David Hemmings Dildano |
 | Ugo Tognazzi Mark Hand |
 | Giancarlo Cobelli Jean-Paul |
 | Fabienne Fabre La femme arbre |
 | Corinne Fontaine |
 | Nino Musco |
 | Umberto Di Grazia |
 | Franco Gulà |
 | Jean Saudray |
 | Romolo Valli |
 | Robert Rietti Professor Ping (voice) |
 | Kitty Swan Girl in Sogo (uncredited) |
 | Fabio Testi Tall Man at Party (uncredited) |
 | Talitha Pol Pipe-Smoking Girl (uncredited) |
 | Antonio Sabàto Jean-Paul (uncredited) |
| Honey Autumn Bald Handmaiden at Sogovian Court (uncredited) |
 | Diane Bond (uncredited) |
 | Silvana Venturelli (uncredited) |
 | Carla Cassola (uncredited) |
 | Joan Greenwood The Great Tyrant (voice) (uncredited) |
 | María Teresa Orsini Suicide Girl (uncredited) |
| Chantal Cachin Revolutionary (uncredited) |
| Camera | |
| Claude Renoir | Director of Photography |
Writing | |
| Jean-Claude Forest | Author |
| Roger Vadim | Screenplay |
Editing | |
| Victoria Mercanton | Editor |
Costume & Make-Up | |
| Jacques Fonteray | Costume Design |
Directing | |
| Roger Vadim | Director |
Art | |
| Mario Garbuglia | Production Design |
Production | |
| Dino De Laurentiis | Producer |
Costume & Make-Up | |
| Paco Rabanne | Costume Design |
Writing | |
| Vittorio Bonicelli | Writer |
Sound | |
| Charles Fox | Music |
Writing | |
| Brian Degas | Writer |
| Terry Southern | Screenplay |
| Claude Brulé | Writer |
| Clement Biddle Wood | Writer |
| Tudor Gates | Writer |
Sound | |
| David Hildyard | Sound Engineer |
Art | |
| Umberto Campagna | Assistant Art Director |
Directing | |
| Suzanne Durrenberger | Script Supervisor |
Production | |
| Guy Luongo | Production Supervisor |
Directing | |
| Carlo Lastricati | First Assistant Director |
Visual Effects | |
| Augie Lohman | Special Effects Supervisor |
Costume & Make-Up | |
| Gloria Mussetta | Wardrobe Supervisor |
Directing | |
| Alberto Cardone | Second Unit Director |
Sound | |
| Bob Crewe | Music |
