Annie Cordy as Martine, gymnastics teacher

Pierre Mondy as Max, small-time alcohol and cigarette dealer

Nadine Tallier as Arlette, resident of the institute

Christian Méry as Angelo, Van Dorfelt's lieutenant

Pierre Doris as Gustave, Max's accomplice

Jean Carmet as Martial, customs officer

Amarande as Juliette, institute's cook

Micheline Gary as Véronique, institute treasurer

Franco Interlenghi as Mario

Albert Rémy as Customs officer

Pierre Moncorbier as Notary

Reinhard Kolldehoff as Van Dorfelt

Alessandra Panaro as Micheline

René Havard as Fernand

Armande Navarre as Juliette

Jeanne Valérie as A girl

Gisèle Grimm as Elisabeth (uncredited)

Sylvie Adassa as Michèle (uncredited)

Jean Richard as The knocked out customer who asks for whiskey (uncredited)