Character mistake: Before they jump off the plane Halloran should at least have checked if Sellinger has his parachute strapped on properly, knowing that the other guy has absolutely no experience. (01:05:55)
Character mistake: After Captain Willard walks through the front door of the burnt out French plantation dock there's a close-up of Chief Phillips at the wheel the boat. He turns around and looks right at Chef and says, "Lance". (01:56:40)
Character mistake: When James enters and exits the laboratory, the door has a sign on it that warns for radioactive materials. The laboratory actually contains a biological weapon. Therefore the door should be marked with a bio-hazard symbol. (00:41:00 - 00:42:00)