Continuity mistake: Marquise Maria de Crevecoeur is in her room when Monsieur Duval knocks at the door. Her veiled hat is by her on the sofa. A minute passes; nobody touches the hat or comes close to it, but when Marlene Dietrich gets seated again, the hat and its long veil move. (00:16:50 - 00:18:00)
Hector, the Maitre D': From tin cans someone makes a fortune and retires?
Sophia: It is for the food, imbecile. In America, everybody eats out of tin cans! So, one who makes tin cans, retires with a fortune.
Maria de Crevecoeur: I didn't know people fished in the dark.
Count Dino della Fiaba: A favorite pastime here in Monte Carlo.
Maria de Crevecoeur: Do you do it?
Count Dino della Fiaba: I'm doing it now.
Francois, the Chauffeur: Don't be insulted, Hector. You were born to be a head waiter. Count Dino was not.
Hector, the Maitre D': I know a Count who sells dirty postcards on the Rue de Rivoli. Do you think he was born to?
