Sacha

Visible crew/equipment: When Harry seats in the Harrier a pilot wearing sunglasses stares at him and stage lights are reflected on his lenses.

Sacha ★

Visible crew/equipment: When Helen tells Harry she slept with the plumber and he kisses her goodbye, watch the reflection on her glasses: When Harry walks out to the right, a crew member standing in front is very noticeable.

Sacha ★

Visible crew/equipment: In the scene where Bill Paxton and Arnold are riding in the Corvette, you can see a camera reflected in the windshield on several occasions; most notably just after Arnold takes the wheel. (00:55:15)

Revealing mistake: During the bathroom scene, all the backshots of Arnie taking a pee are of a very obvious stand-in, not the real actor. (00:30:05)

Sacha ★

Continuity mistake: After Helen drops the MAC-10 down the stairs and it keeps shooting, killing all the bad guys, you see it hit the floor, then the shot changes and it stops on the stairs. (01:46:10)