Secret of the Chateau

Claire Dodd

Julie Verlaine

Alice White

Didi Bonfee

Osgood Perkins

Martin

Jack La Rue

Lucien Vonaire

George E. Stone

Armand

Clark Williams

Paul De Brunay

William Faversham

Monsieur Fos / Professor Racque

Ferdinand Gottschalk

Chief Inspector Marotte

DeWitt Jennings

Louis Bardou

Helen Ware

Madame Rombiere

Frank Reicher

Auctioneer

Alphonse Ethier

Commissioner

Cecil Elliott

Cook