Pierre Larquey as Alfred Coccinelle

Jeanne Provost as La tante Aurore

Jane Loury as Mélanie Coccinelle

René Bergeron as Dutac

Yette Lucas as Hortense Dupont

Marcel Pérès as Brutus Dupont

René Fluet as Un médecin

Robert Moor as Un médecin

Robert Pizani as Illusio

René Blancard as Presto (uncredited)

Fernand Blot as (uncredited)

Jean Diéner as (uncredited)

Vivette Galy as Rosalie (uncredited)

Harry-Max as (uncredited)

Léon Larive as Un joueur de billard (uncredited)

René Navarre as Un habitué du bistrot (uncredited)

André Numès as Le joueur de billard (uncredited)

Lucien Suire as Le percepteur (uncredited)

Henri Vilbert as Le patron du café (uncredited)