Roger Carel

as Astérix / Caligulaminus (voice)

Jacques Morel

as Obelix (voice)

Pierre Tornade

as Abraracourcix / le marchand de bœufs / Caius Bonus (voice)

Lucien Raimbourg

as Panoramix (voice)

Pierre Trabaud

as Marcus Sacapus (voice)

Bernard Lavalette

as le narrateur (voice)

Robert Vattier

as (voice)

Georges Carmier

as (voice)

Michel Puterflam

as (voice)

Maurice Chevit

as Claudius Catilus / le bourreau (voice)

Jacques Jouanneau

as Assurancetourix (voice)

Henri Labussière

as (voice) (uncredited)

Jacques Mauclair

as Jules César (voice)