* AFIS100Years100Thrills: #36
* TheCastShowoff: Creator/SteveMcQueenActor did his own stunt driving, even putting his head near the window so you can see it's really him.
* IAmNotSpock: Several years later, Creator/RobertVaughn actively considered going into politics. To his dismay, he discovered that people couldn't take him seriously or found him trustworthy as they remembered his oily performance in this film.
* IronyAsSheIsCast: Many were surprised that Creator/SteveMcQueenActor signed on to play a cop, having had many run-ins with the police as a youth.
* TheRedStapler: Several items of clothing worn by Creator/SteveMcQueenActor received a boost in popularity thanks to the film: desert boots, a trench coat, a blue turtleneck sweater and, most famously, a brown tweed jacket with elbow patches.
* RomanceOnTheSet: Several biographers have alleged that Creator/SteveMcQueenActor and Creator/JacquelineBisset had an affair during filming. Bisset has vehemently denied this on numerous occasions over the years.
* ThrowItIn: Bullitt's reverse burnout during the chase scene actually wasn't in the script--Steve [=McQueen=] had mistakenly missed the turn. The footage was still kept, though.
* UnintentionalPeriodPiece: The [[TechnologyMarchesOn now-hopelessly-obsolete]] fax machine that Bullitt and the rest of the cops stare at for several minutes as it's printing a photograph, which is being transmitted over a dial-up Telex line.
* WhatCouldHaveBeen: In the first draft, adapted from Robert L. Fish's novel ''Mute Witness'', Det. Frank Bullitt was a Boston policeman who ate a lot of ice cream and never solved a case. The book had originally been bought with Creator/SpencerTracy in mind; but with Tracy's death the property fell into the hands of Creator/SteveMcQueenActor and producer Philip D'Antoni. D'Antoni added the chase and changed the location to San Francisco.