Continuity mistake: When Helen sees in the mirror that her hair has been cut, she's holding her head with one hand but the close-up shows that she's holding her head with both hands.
Continuity mistake: When Barry tells Ray to go check if the fisherman is alive, the close-up shows that Barry is holding his flashlight in his right hand but in the wide shot, he's holding it with his left hand. (00:15:58)
Continuity mistake: In the iconic scene where Julie screams "what are you waiting for?", she at first faces Barry and Helen then she turns around. In the next shot, she's still facing them and has to turn around again.