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