Roger Carel as Astérix (voice)

Alexandre Astier as Le centurion Oursenplus (voice)

Lionnel Astier as Cétautomatix (voice)

Serge Papagalli as Abraracourcix (voice)

François Morel as Ordralfabétix (voice)

Élie Semoun as Cubitus (voice)

Guillaume Briat as Obélix (voice)

Lorànt Deutsch as Anglaigus (voice)

Alain Chabat as Senator Prospectus (voice)

Géraldine Nakache as Dulcia (voice)

Florence Foresti as Bonemine (voice)

Laurent Lafitte as Duplicatha (voice)

Brice Fournier as Sénateur Pesticius / Citoyen / Brute romaine (voice)

Pascal Demolon as Cordius (voice)

Philippe Morier-Genoud as Jules César (voice)

Joëlle Sevilla as lélosubmarine / Matrone (voice)

Olivier Saladin as Sénateur Samus (voice)

Damien Gillard as Médius / Brute romaine / Romain (voice)

Benjamin Gauthier as Médecin / Le guide / Romain (voice)

Virginia Anderson as Romaine / Matrone (voice)

Pascal Demolon as Gladiateur (Goth) (voice)

Baptiste Lecaplain as Gladiateur (Numide) (voice)

Pauline Moingeon Vallès as Romaine (voice) (as Pauline Moingeon)

Julien Meunier as Voix additionnelles (voice)

Martial Le Minoux as Voix additionnelles (voice)

Vincent Ropion as Voix additionnelles (voice)

Christian Peythieu as Voix additionnelles (voice)

Jérémy Bardeau as Voix additionnelles (voice)

François Raison as Voix additionnelles (voice)

Matthieu Albertini as Voix additionnelles (voice)

Hervé Grull as Voix additionnelles (voice)

Juan Llorca as Voix additionnelles (voice)

Antoine Lelandais as Voix additionnelles (voice)

Magali Rosenzweig as Voix additionnelles (voice)

Céline Melloul as Voix additionnelles (voice)

Marie-Madeleine Burguet as Voix additionnelles (voice)

Delphine Braillon as Voix additionnelles (voice)

Axelle Bossard as Voix additionnelles (voice)

Brigitte Guedj as Voix additionnelles (voice)

Brigitte Lecordier as Voix additionnelles (voice)

Aurélie Valat as Voix additionnelles (voice)

Jean-Claude Donda as Voix additionnelles (voice)

Jack Whitehall as Asterix (voice UK Dub)

Nick Frost as Obelix (voice UK Dub)

Greg Davies as Centurion Somniferus (voice UK Dub)

Matt Berry as Vitalstatistix (voice UK Dub)

Catherine Tate as Dulcia (voice UK Dub)

Harry Enfield as Anonymus (voice UK Dub)

Richard McCourt as Unhygienix (voice UK Dub)

Dominic Wood as Fulliautomatix (voice UK Dub)

Jim Broadbent as Julius Caesar (voice UK Dub)

Richard Ian Cox as Squaronthehypotenus (voice UK Dub)

Donny Lucas as Flaturtha (voice UK Dub)

Colin Murdock as Senator Prospectus (voice UK Dub)

Sam Vincent as Tofungus/Black Numidian Gladiator/Mosaic Artist/Roman (voice UK Dub)

John Innes as Getafix/Doctor (voice UK Dub)

Elizabeth Bower as Impedimenta/Bacteria/Matron 2 (voice UK Dub)

Alan Marriott as Cacofonix (voice UK Dub)

Hannah Beth Jackson as Mischiefus (voice UK Dub)

Ron Halder as Geriatrix/Senator Pestiferus (voice UK Dub)

Andrew Toth as Senator Fastidius/Radius/Guide/Cluelus (voice UK Dub)

Marco Soriano as Senator Consensus/Serius/Roman Brute/Civilian (voice UK Dub)

Michael Adamthwaite as Humerus/Roman Brute (voice UK Dub)

Scott McNeil as Goth Gladiator (voice UK Dub)

Jennifer Cameron as Roman Lady (voice UK Dub)

Saffron Henderson as Roman Lady (voice UK Dub)