When Celli is making the crew run laps he and Juliana are in a boat following them. From the overhead shot, Juliana is seen lying in the front of the boat holding a small guitar. During close-up shots, she is holding a magazine.
When the Professor (Edward G. Robinson) is briefing the gang he has his cigar in his right hand and unbuttons his jacket with his left and puts his left hand in his pocket. The camera goes into a close up and his cigar is suddenly in his Left hand and his Right hand is in his pocket.
When the B-17 lands in the field to pick up the ingots they are landing on dirt and grass, but the tires screech as if they are landing on tarmac.
After Harry makes the call to Celli's uncle Carlo in the US and gets frustrated, he storms back into the room where Celli is sitting with the rest of Harry's crew and grabs Celli. Benny asks, "What's the matter, Harry?" Before he can continue his line Robert Wagner starts to say his line early. He stops and waits for Godfrey Cambridge to finish his line and starts again.
About sixteen minutes into the film, when Celli puts the artwork down and turns around, a moving shadow of the boom microphone is visible on the far wall to the right.