
Paris, 1830. Fleur de Marie is rescued from poverty by the mysterious Rodolphe, who is in fact the Grand Duke of Gérolstein, who has gone incognito in search of an illegitimate child he once had. Which is not at all to the taste of Sarah Mac Gregor, her current mistress who kidnaps Fleur and has her locked up in Saint-Lazare prison.
Genres:

Marcel Herrand as Rodolphe

Yolande Laffon as la comtesse Sarah MacGregor

Alexandre Rignault as le maître d'école

Lucien Coëdel as le Chourineur

Roland Toutain as Cabrion

Ginette Roy as Rigolette

Simone Ribaut as Louise Morel

Claudye Carter as La Louve

Emma Lyonel as Madame Pipelet

Lucien Callamand as Monsieur Pipelet

Alexandre Fabry as Monsieur Morel

Jean-François Martial as Le mouchard

Cécilia Paroldi as Fleur de Marie

Pierre-Louis as Francis

Albert Gercourt as Maître Ferrand

Raphaël Patorni as Murph

Germaine Kerjean as La Chouette

Jean Carmet as Tortillard (uncredited)

Raymond Carrel as (uncredited)

Defresne as (uncredited)

Alain Feydeau as (uncredited)

Lucienne Galopaud as La baronne (uncredited)

Marguerite Guérau as Une bouquetière (uncredited)

Manoutrel as Une religieuse (uncredited)

Yvette Maurech as (uncredited)

Marcelle Naudia as (uncredited)

Robert Sidonac as Un policier (uncredited)

Tela Tchaï as La Punaise (uncredited)

Claire Vervin as Madame Musard (uncredited)
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