Christian Clavier
Astérix
Gérard Depardieu
Obélix
Roberto Benigni
Lucius Detritus
Michel Galabru
Abraracourcix
Gottfried John
Jules César
Laetitia Casta
Falbala
Claude Piéplu
Panoramix
Daniel Prévost
Prolix
Pierre Palmade
Assurancetourix
Arielle Dombasle
Mme Agecanonix
Marianne Sägebrecht
Bonemine
Jean-Pierre Castaldi
Caius Bonus
Jean-Roger Milo
Cétautomatix
Jean-Jacques Devaux
Ordralfabétix
Hardy Krüger Jr.
Tragicomix
Michel Muller
Malosinus
Jean-Yves Tual
Mathusalix
Olivier Achard
Anorexix
Sim
Agecanonix
Gaëtan Bloom
Plaintecontrix
Andréa Ferréol
Bonemine (voice)
Michel Elias
Jules César (voice)
Peter Marinker
Julius Caesar (voice)
Geoffrey Bayldon
Additional Voice (voice) (uncredited)
Dominic Borrelli
Additional Voice (voice) (uncredited)
David Graham
Additional Voice (voice) (uncredited)
Derek Griffiths
Additional Voice (voice) (uncredited)
Jessica Martin
Additional Voice (voice) (uncredited)