The Baron of the Locks

Jean Gabin

Baron Jérôme Napoléon Antoine

Micheline Presle

Perle Germain-Joubert

Jacques Castelot

Marquis François-Marie de Villamayor

Jean Desailly

Mr. Maurice Montbernon

Blanchette Brunoy

Maria Vilandier, innkeeper

Aimée Mortimer

Gaby Bonnetang

Jean Constantin

Prince Héliakim Sadokkan

Robert Dalban

Guillaume, manager of the flying club

Jacques Hilling

Casino supervisor

Pierre-Louis

Georges, barman

Alexandre Rignault

Firmin, lock keeper

Dominique Boschero

Saddokan's new friend

Charles Bouillaud

Émile, casino employee

Émile Genevois

Guest of the hostel

Gabriel Gobin

Valentin, hostel player

Georges Lycan

Sailor of the yacht

Cécyl Marcyl

Old lady of the first flight

Albert Michel

Guest of the hostel

Raphaël Patorni

Reception manager of the Deauville hotel

Jimmy Perrys

Mr. Camille, restaurateur

Olga Valéry

Pénélope, marquis's wife

Louis Seigner

Léon Duval, horse owner

Jean-Pierre Jaubert

Paulo

Bruno Balp

Marcel, mechanic of the flying club (uncredited)

Robert Balpo

Guest of the hostel (uncredited)

Florence Brière

Receiver of Posts (uncredited)

Louis Bugette

Saddokan's advisor (uncredited)

Henri Coutet

Peasant (uncredited)

Édouard Francomme

Guest of the hostel (uncredited)

Corrado Guarducci

Player (uncredited)

Henri Guégan

Belgian sailor (uncredited)

René Hell

Guest of the hostel (uncredited)

Robert Le Béal

Golf player (uncredited)

Charles Lemontier

Casino employee (uncredited)

Dominique Marcas

Woman in the airfield (uncredited)

Bernard Musson

Bailiff at the casino (uncredited)

Louisette Rousseau

Lock keeper's wife (uncredited)

Yvon Sarray

Guest of the hostel (uncredited)

Geymond Vital

La Ramée (uncredited)

Jean-Pierre Zola

Player at the casino (uncredited)

Gilette Barbier

Client of the Café de la Marine (uncredited)