Christian Clavier as Astérix (voice)

Guillaume Briat as Obélix (voice)

Alex Lutz as Téléférix (voice)

Alexandre Astier as Le centurion Oursenplus / Huiledolix / Blodimérix (voice)

Élie Semoun as Cubitus (voice)

Daniel Mesguich as Sulfurix (voice)

Bernard Alane as Panoramix (voice)

François Morel as Ordralfabétix (voice)

Lionnel Astier as Cétautomatix (voice)

Florence Foresti as Bonemine (voice)

Ethan Astier as Loustix (voice)

Dominique Bastien as Bazunix / Caustix (voice)

Yoann Blanc as Colchix (voice)

Patrick Bonnel as Fantasmagorix (voice)

Eric Bougnon as Le capitaine Barbe-Rouge (voice)

Max Brunner as Minix (voice)

Simon Brunner as Sphérix / Cubix (voice)

Jacques Chambon as Zurix (voice)

Louis Clichy as Magnétix / Frèrefratellinix (voice)

Christophe Fluder as Bitnix (voice)

Gérard Hernandez as Atmosférix (voice)

Luna Karys as Mme Agecanonix (voice)

Daniel Laloux as Triple-Patte (voice)

Antoine Lelandais as Un druide (voice)

Arnaud Léonard as Assurancetourix (voice)

Philippe Morier-Genoud as Jules César (voice)

Laurent Morteau as Agecanonix (voice)

Nicky Naudé as Aepyornix / Fotovoltahix (voice)

Serge Papagalli as Abraracourcix (voice)

Patrick Pineau as Aplusbégalix (voice)

Franck Pitiot as Humérus (voice)

François Raison as Vitrocéramix / Climatoseptix (voice)

François Rollin as Grotadefrix (voice)

Olivier Saladin as Sénateur Tomcrus (voice)

Romain Segaud as Tektonix / Frèrefratellinix (voice)

Joëlle Sevilla as Iélosubmarine (voice)

Lévanah Solomon as Pectine (voice)

Lana Ropion as Alcaline (voice) (uncredited)

Vincent Ropion as Voix additionnelles (voice)

Christian Peythieu as Voix additionnelles (voice)