Fred Niblo, standing far right with hand behind back, directs...

Fred Niblo, standing far right with hand behind back, directs Conrad Nagel and Greta Garbo in The Mysterious Lady (1928). According to the caption, Niblo stands on an ‘elevator-perambulator’ that lets the camera film the actors’ progress down the stairs. With unidentified others, including crew, extras, and set musicians.