After a planned robbery on an armoured car the investigating police officer encounters a female journalist who specialises in criminology, and who he suspects may have had a role in the heist.

Micheline Presle
Sophie Givier

Philippe Leroy
Dandrieu

Pierre Mondy
Judge Béguin

Arletty
Loune de Lindt

José Luis de Vilallonga
The priest

Robert Dalban
Cafe owner

Mathilde Casadesus
Madame Thiebaut

Yves Barsacq
An Inspector

Berthe Granval
Secretary

Marcel Dalio
The lawyer Plautet

Gérard Buhr
Boss of the armored vans
Aurelien Lintermans
Mercédès Lintermans
Raoul Saint-Yves
Jules, policeman on duty

Serge Sauvion
Jacky, friend of Sophie