On screen
Cast
12 credited performers
Maurice Lagrenée
Inspector Grey
Artwork unavailable
Raymond Maurel
Dupré
Artwork unavailable
Colette Broïdo
Hélène
Artwork unavailable
Paule Dagrève
Monique Jeffries
Jean Brochard
Inspector Poussin
Artwork unavailable
Gine Elly
Rachaud's daughter
Artwork unavailable
Victor Grail
Victor
Fernand Mailly
Commissioner
Alexandre Mihalesco
Brown
Artwork unavailable
Nicole Ray
Armandine
Artwork unavailable
Sylvaine
Victoire
Gabrielle Rosny
Character not listed