Unseen Guardians (1939)
Udgivet: Aug 26, 1939
Kørsel: 11 minutter
Genre: Documentary, Drama
Stjerner: John Nesbitt, Marjorie Kane, Nestor Paiva, Jo Ann Sayers
Crew: Clyde De Vinna (Cinematography), Basil Wrangell (Director), George Wallace Sayre (Writer), Doane R. Hoag (Writer), Samuel H. Chain (Writer), Mildred Rich (Editor)