Sacha

Continuity mistake: When Nedry meets Dogson he cries "We've got Dogson here!" with the green napkin bundled inside his fist. From the opposite angle a big chunk is standing out.

Sacha ★

Continuity mistake: When Hammond meets Grant and Sattler in the trailer he dries the glass with a white tea towel in his hands. A shot later it's pink. (00:11:32)

Sacha ★

Visible crew/equipment: After Alan, Ellie, Lex and Tim run into the control room Alan tells Ellie to boot up the door locks, and when the Raptor opens the door Alan drops his gun and we can see two distinct reflections on the glass - the Raptor's puppet head on someone's arm as it pushes on the door from outside the room, and also the reflection of a crew member (presumably standing in the camera area).

Super Grover ★

Visible crew/equipment: While Alan and Ellie are trying to keep the Velociraptor out of the control room Lex is on the computer trying to find the file to restart the security systems, and after Tim shouts, "Come on Lex!" it cuts to a closeup of the Raptor's claws at the door and we can see the crew member's head.

Super Grover ★

Continuity mistake: After Hammond says "Welcome to Jurassic Park" Alan is sitting on the floor with Ellie comforting him. A shot later she's gone, only to reappear 5 metres away in the next shot.

Sacha ★

Continuity mistake: When the movie begins a worker on the top part of the crate falls to the ground, face down. A split second later he's facing upwards.

Sacha ★

Continuity mistake: When Grant is feeding a dinosaur in the morning he is either holding the food with one hand or two depending on the shot.

Sacha ★

Continuity mistake: Right after the "Objects in mirror are closer than they appear" shot, the dinosaur breaks a huge trunk that falls forward. A shot later note behind the dinosaur and the huge trunk is nowhere to be seen.

Sacha ★

Continuity mistake: When the Dilophosaur spits on Nedry the second time, it is only on his forehead and eyes. In the next shot, a second later, it is all over his face and cheeks. It was too soon for the rain to have washed it down that far.