Claire Dodd. Claire Dodd was 22 in Secret of the Chateau as 'Julie Verlaine'.
Alice White. Alice White was 30 in Secret of the Chateau as 'Didi Bonfee'.
Osgood Perkins. Osgood Perkins was 42 in Secret of the Chateau as 'Martin'.
Jack La Rue. Jack La Rue was 32 in Secret of the Chateau as 'Lucien Vonaire'.
George E. Stone. George E. Stone was 31 in Secret of the Chateau as 'Armand'.
Clark Williams. Clark Williams was 28 in Secret of the Chateau as 'Paul De Brunay'.
William Faversham. William Faversham was 66 in Secret of the Chateau as 'Monsieur Fos / Professor Racque'.
Ferdinand Gottschalk. Ferdinand Gottschalk was 76 in Secret of the Chateau as 'Chief Inspector Marotte'.
DeWitt Jennings. DeWitt Jennings was 63 in Secret of the Chateau as 'Louis Bardou'.
Helen Ware. Helen Ware was 57 in Secret of the Chateau as 'Madame Rombiere'.
Frank Reicher. Frank Reicher was 59 in Secret of the Chateau as 'Auctioneer'.
Alphonse Ethier. Alphonse Ethier was 59 in Secret of the Chateau as 'Commissioner'.
Cecil Elliott. Cecil Elliott was 47 in Secret of the Chateau as 'Cook'.
Richard Thorpe. Richard Thorpe was 38 in Secret of the Chateau as 'Director'
Carl Laemmle Jr.. Carl Laemmle Jr. was 26 in Secret of the Chateau as 'Executive Producer'Harry Marker. Harry Marker was 35 in Secret of the Chateau as 'Editor'