Character mistake: During the car chase scene (with Wally and Dave in the cop car), at one point Wally hears a gun shooting at them and says to Dave, "Is that somebody shooting at us?", and Dave responds, "I didn't hear anything." Dave would realistically not have answered like that to Wally because when Wally asks that question, Dave (being deaf) was looking away from Wally and towards the front of the car, so he would not have been able to read Wally's lips to respond that way.
See No Evil, Hear No Evil (1989)
1 character mistake - chronological order
Directed by: Arthur Hiller
Starring: Kevin Spacey, Gene Wilder, Richard Pryor, Joan Severance
Continuity mistake: Towards the end of the movie Dave takes Walley's jacket and uses it to help them slide down a cable. Before they slid down, Dave tells Walley to hold on, and Walley asks if they're going to be above the ground. Dave tells him no, and off they go. However, Dave is deaf, and reads lips, and Walley is standing behind him when he asks the question. So how did Dave read his lips if he wasn't looking at him?
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