Lucien Hastier, known as "Lulu", is a locksmith in La Courneuve and a communist activist. He had never known his parents and had been raised by the public assistance, a notary comes to announce that his father died and left him an extraordinary inheritance: a castle, a title of duke and a royal filiation. But problems arise, the deceased duke has left heavy debts and suitors to the title.

Richard Bohringer
Lulu Hastier

Corinne Touzet
The Marquise

Claire Nadeau
The Countess

Vanessa Guedj
Sylvie Hastier

Maka Kotto
Honoré

Samir Guesmi
Sami

François Morel
Jambu

Roger Miremont
Maître Pouilloux, notary

Jacques Spiesser
Victor

Jacques Boudet
The Count

Valérie Vogt
Gillone

Gilbert Lévy
Lulu's comrade
Nora Habib
Cheated wife

Daniel Milgram
Gauthier

Nicolas Abraham
Jacques