Revealing mistake: When Popeye's car stops chasing the EL train, there are skid marks from previous takes parallel to the ones that the car just made.
The French Connection (1971)
1 revealing mistake - chronological order
Directed by: William Friedkin
Starring: Gene Hackman, Roy Scheider, Fernando Rey, Tony Lo Bianco
Continuity mistake: At the beginning of the film in Brooklyn, it is obviously dark outside (nighttime). As they are chasing the guy from the bar, it all of a sudden is during the daytime as it is light outside.
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Suggested correction: I think that it looks dark because they are under an elevated train track.
Yes. If you look to the background, you can see sunlight in various spots.
Jimmy 'Popeye' Doyle: This is Doyle. I'm sittin' on Frog One.
Bill Mulderig: Yeah, I know that. We got the Westbury covered like a tent.
Jimmy 'Popeye' Doyle: The Westbury my ass! I got him on the shuttle at Grand Central, now what the hell's going on up there?
Trivia: James Caan, Peter Boyle and Steve McQueen were all offered the role of "Popeye" Doyle but turned it down for various reasons. Gene Hackman was eventually cast without auditioning, reading for the part or screen-testing.
Question: Could the police really put the Lincoln back together perfectly and that quickly?
Answer: It's a different car of the same make and model that they swapped for the one they tore apart, and in which they hid the drugs in the same place as the original.