La Clé de voûte: Reparto
Gina Palerme
Rose, Micaël's daughter
Gil Clary
Mrs. Lanson
Marie Dubuisson
Mrs. Micaël's neighbour
Céline James
Mrs. Micaël
Madame Ahnar
Rahna, the dancer
Georges Colin
Mr. Lanson
Max Maxudian
Sardan, the artist
Émile Saint-Ober
Lanson's butler
Marcelle Rahna
Dancer (uncredited)