as Eugène Ballanchon, chercheur scientifique, célibataire

as Régine, l'espionne de monsieur Beauchard

as M. Beauchard, secrétaire de direction lié à un gang

as M. Granger, directeur du laboratoire scientifique

as l'inspecteur DST

as le Père Ballanchon

as la Mère Ballanchon

as Marchand, un espion dans le laboratoire

as Mario

as l'agent de police / L'agent

as un savant

as Le baron

as Un inspecteur de la DST

as Fred

as La baronne

as Le piéton

as Un extra (uncredited)

as Jo (uncredited)

as Un acteur du western (uncredited)

as Un agent de police (uncredited)

as Un acteur du western (uncredited)

as Le ministre (uncredited)

as La voyageuse (uncredited)

as Un acteur du western (uncredited)