Note
Film non distribuito in edizione italiana.
Film sonoro con sistema Vitaphone. Catalog of Copyright riporta alla produzione First National e Vitaphone, sulla scen. orig. AMNC è presente solo First National.
La sceneggiatura originale riporta solo "adapted from the play by Eleanor Robson Belmont and Harriet Ford".
Catalog of Copyright aggiunge: "Adapted from the play by Eleanor Robson Belmont and Harriet Ford, and based on the book "The Mystery of the Boule Cabinet" by Burton E. Stevenson".
afi.com riporta "Based on the play "In the Next Room" by Eleanor Robson Belmont, Harriet Ford, Burton Egbert Stevenson (New York, 27 Nov 1923) "The Mystery of the Boule Cabinet; a Detective Story"."
© First National Pictures, Inc.; 14May30; LP1301.
6336 ft.
7 rulli.