Love was in the air on set. Matthew Broderick (Ferris) and Jennifer Grey (Jeanie) began dating during filming and were later engaged. The actors who played their parents, Lyman Ward and Cindy Pickett, also started dating and eventually got married.
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That's writer-director John Hughes's hand, not Alan Ruck's, that hits the speakerphone button on Cameron's phone when we first meet him.
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Charlie Sheen's "Boy in the Police Station" was named Garth Volbeck, and the whole Volbeck family originally had a sizable part in the movie. Their subplot was ultimately scrapped, but eagle-eyed viewers will spot that the company that tows Rooney's truck away is Volbeck Wrecking Service.
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Did you catch those children's drawings on the fridge in the Buellers' kitchen? In the original script, Ferris and Jeanie had younger siblings. Their scenes got cut, but their artwork stayed.
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Modena Design built, in their words, "two-and-a-half" red convertibles for the film. The half refers to a fiberglass shell on wheels that was used for the pivotal scene where Morris Frye's Ferrari takes a dive.
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