A crime has been committed. Two police officers with very different personalities are in charge of the investigation. This one turns out to be complicated, the culprit being almost unsuspected.
Maurice Lagrenée
Inspector Grey
Raymond Maurel
Dupré
Colette Broïdo
Hélène
Paule Dagrève
Monique Jeffries
Jean Brochard
Inspector Poussin
Gine Elly
Rachaud's daughter
Victor Grail
Victor
Fernand Mailly
Commissioner
Alexandre Mihalesco
Brown
Nicole Ray
Armandine
Sylvaine
Victoire
Gabrielle Rosny
Maurice de Canonge
Director
