Goofs

At 13:29, Tony Curtis and a squad of Marines are beginning their mission. Tony Curtis is wearing a pair of Converse Black High tops with white toes.

At the end, a Japanese destroyer hits a US PT boat, blowing it up. Burke swims out toward the floating wreck, throws a grenade at it, which sets it and the oil laden water on fire. The fire spreads hundreds of yards away toward the destroyer, blowing it up. First, a PT boat would not hold enough oil to span the hundreds of yards to reach the Japanese destroyer. Second, military vessels in the war frequently were surrounded by burning oily water and NEVER caught fire, let alone blew up. These steel vessels were designed to take a lot more punishment than having burning oily water against the hull, and its munitions and fuel supply were located no where near the outside shell of the ship (for the obvious reason that the ship would protect itself against such mishaps that would be common in military action. But perhaps the writers just had no idea as to how they were to wrap the movie up and therefore decided to blow up the destroyer (and the film) in an overly dramatic, though improbable, climax.

At the Bouchard Plantation, Fletcher tosses a grenade into a room. The grenade hits a vertical pipe and bounces to the left of it. BUT, the explosion occurs to the right of the pipe.

At about 1.05 min, as they are in the boat on the river Tony Curtis is rowing with only one oar at the back of the boat, but the boat is going too fast for just one person to be rowing that way. Also the oar is horizontal, hardly in the water at all when it would need to be vertical and fully submerged.