Continuity: When Alex is trying out the device for the first time car 6 is in front of him but that is the car he is supposed to be in - it's the car that Gordy drove when collecting the data.
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Trivia
Natalie Wood drowned while the film was still being made. The movie was almost canned. See more...
Brainstorm mistakes
Continuity: When Christopher Walken gives his wife a tape of his best memories, many of the shots are 3rd-person, of the two of them, and not 1st-person, from his perspective, like everyone else's recordings.
Continuity: As Mike and Karen walk the aisle at Lillian's funeral, she links her arm with his. The camera cuts to a wider angle and they're not touching.
Brainstorm trivia
Natalie Wood drowned while the film was still being made. The movie was almost canned.
It was because of Natalie Wood's (Karen Brace) untimely demise that the plot was rehashed at extreme variance to the original script, and to maintain continuity, Wood's sister was used as a body double. Also, the bodily "energy rejuvenation" experienced after playing the looped orgasm tape was supposed to be a major plot-point, not something shuffled off to the side.