Balderston, Walter Reisch, and John Van Druten), and Best B/W Cinematography (Joseph Ruttenberg).The film""s impressive photography is expressionistic, shadowy, and menacing - as befits the film""s ominous plot.[Note: A character actor, Muni played many biographical personalities during his long award-winning career, i.The film""s narrator summarized he plot:So as Hawkins becomes the incomparable Giacomo and heads for the castle, while the maid Jean with the infant king still hidden in the wine cask, journeys towards the Abbey and safety for the child.[The film was shot on location near Yuma, Arizona.] The mystery of the desert fort presents an intriguing opening:Urged on by reports of a massed Arab attack, a column in command of Major de Beaujolais advances across the Sahara to he relief of Fort Zinderneuf.Although it might be a deadly set-up, nonetheless, Marlowe agreed o go along for the ride - solely for the money.