Other mistake: Before Becky and Miles go down the steps after leaving his office she says "I've been in Reno". The camera goes totally out of focus for a second right when she says, "Reno" the second time. (00:07:10)
Invasion of the Body Snatchers (1956)
1 other mistake - chronological order
Directed by: Don Siegel
Starring: Kevin McCarthy, Dana Wynter, King Donovan, Larry Gates
Plot hole: When Becky falls asleep she is awakened by Miles and has now become an alien, However she should have died and her essence should have been in one of the pods. There were none nearby.
Dr. Miles J. Bennell: Drugs dull the mind - maybe that's the reason.