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

David Hemmings

Dildano

Ugo Tognazzi

Mark Hand

Giancarlo Cobelli

Jean-Paul

Fabienne Fabre

La femme arbre

Corinne Fontaine

Nino Musco

The General

Umberto Di Grazia

Sogo Citizen

Franco Gulà

The Suicide

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)

Diane Bond

(uncredited)

Silvana Venturelli

(uncredited)

Carla Cassola

(uncredited)

Joan Greenwood

The Great Tyrant (voice) (uncredited)

María Teresa Orsini

Suicide Girl (uncredited)

Fred Robsahm

Dildano's Assistant (uncredited)