The exploits of Chief Police Inspector Chabrier, first before the invasion of France in May 1940 as he fights against spies preparing the coming the Germans, particularly Emmy de Welder, the alleged manager of the Rouen hospital. Later, Chabrier and his men go underground and resist the occupiers whatever the price to pay. When the Liberation comes Chabrier resumes his activities at the French National Police.
Emmy de Welder

Landberg alias Moravetz

Commissioner Chabrier

Mérignac

Péroni

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Von Wildenstein

Colonel Kleider

Staub

Stuttering station master

Chang

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Controller general

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Manager

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Tubercular
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Irma

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Hélène de Moreuil
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Roeckel alias Poldermann

Jean Sartène

Concierge (uncredited)

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Wanda Vanska (uncredited)

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Mademoiselle Cartier (uncredited)
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Carlos (uncredited)

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Director of the 'Criterion' (uncredited)

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