Audiences in 1958 sat down to watch Vincent Price in a cinema about a scientist whose DNA is fuse with a fly ’s during a teleportation experiment gone awry . Nearly 30 year later , in 1986 , audience lead to see a David Cronenberg   pic with the same basic assumption , but get something entirely unlike than the original — and some literally left the theatersickfrom seeing it . Here are some things you might not have known the gory horror classic .

The Flywas produced by Mel Brooks.

Known as a master of comedy , Mel Brooks is also a sports fan of the repulsion genre . Producer Stuart Cornfeld convinced a reluctant twentieth Century Fox ( which had signed on for the film , then tried toback outafter read the script)to distributeThe Flyif he could find the money to make it , and he approach Mel Brooks for help . The two had antecedently get together on David Lynch’sThe Elephant Manin 1980 . It was Brooks who encouraged Cronenberg to take the movie as far as he wanted . “ [ Brooks ] said ‘ I desire you to go all the way . Let yourself go , and do n’t hold back . ’ There were no restraints , ” Cronenbergrecalled . “ They were willing to lose that percentage of the audience that would have liked the sexual love interest poppycock , but could n’t take the revulsion . ”

Brooks came up with the film’s most famous line.

“ Be afraid , be very afraid ” is a quote that many people have heard , but not everyone knowscomes fromThe Fly . Cronenberg unveil in a commentary track that the iconic lineage was invented by Brooks while discussing how characters should respond to the former stages of Seth Brundle ’s transformation . The quote also became one of the moving picture ’s taglines .

The Flyalmost wasn’t directed by David Cronenberg.

Cornfeld wanted Cronenberg for the labor , but the director was busyworking onTotal Recall , so another young director namedRobert Biermanwas brought on to make the cinema or else . lamentably , Bierman ’s daughterdiedin an fortuity whenThe Flywas in pre - production , and he ultimately withdrew from the film .

After a brief geological period of not having a director or a finalized playscript , Cornfeld learned that Cronenberg ’s involvement withTotal Recallwas unexpectedly end , which have in mind that he was gratuitous . He recall in a DVD special feature question that Cronenberg agreed to   direct and help rewrite the script for $ 750,000 , so Mel Brooks indite a letter to the heads of the studio apartment and was able to counter with $ 1 million . “ Fastest wad I ’ve ever seen made in Hollywood , ” Cornfeld said .

Jeff Goldblum was a major gamble for the lead role.

Jeff   Goldblum   was   the antonym of what the movie maker thought would act upon for the stage of man - to - aviate transformation . “ Casting was a major major issue , ” creature effects creative person Chris Walas said in a DVD especial feature interview . When he and the upshot team ratify on to the project , they asked Cronenberg to make finding the lead player his top precedency because it would be the intemperate part of their job . The director asked Walas   for input in terms of physical dimension that would assist the effects team up . “ Get somebody with no ears and no bridgework of the nozzle so that manner we have a lot more mastery with the makeup , ” Walas said . When Goldblum was mentioned as the top choice , Walas and the others check that it was not what they wanted , but they were fans of the actor so they want to make it work .

In addition to the make-up concerns ,   not everyone was convinced that Goldblum was the correct option to play Seth Brundle .   Cornfeld divulge in a making - of documentary that when he say the studio about their   choice , former twentieth Century Fox president Larry Gordon called it an “ utterly ugly misapprehension , ” but he greenlit the conclusion anyway because he sense it was the filmmakers ’ misunderstanding to make .

Goldblum and Geena Davis were a couple beforeThe Fly.

According to some sources , Goldblum was the one who campaigned for then - girlfriend Geena Davis to co - sensation in the film as diary keeper / love stake Veronica Quaife , a.k.a . Ronnie . ( However , per the American Film Institute , “ he did not suggest her as his leading lady , according toRolling Stone , and Cronenberg pursue her for the part of ‘ Veronica Quaife ’ on his own conformity . ” ) Goldblum admitted in a peculiar feature infotainment that he became jealous of her tantrum with actor John Getz ( who played Stathis Borans ) and had to be recount to leave the curing because of his aroused bond .

Their human relationship also affected the direction they performed the role .   “ The job really in working with a couple who were so close and had been together for quite some prison term was that Geena , who was an expert mimicker , she would basicallydoJeff , ” Cronenberg said in his commentary data track .   “ She was like Jeff in her lingual rhythm , her words rhythm method , and her body speech communication because Jeff has a very strange and infectious way of life of speaking and move … one of the things we had to do was to unplug Geena and Jeff for the sake of the motion picture . ”

The telepods were inspired by Cronenberg’s motorcycle.

Cronenberg distinguish the other designs of   the now - iconic teleportation pods in his videodisc commentary as being more like phone booths or crank showers . The final design take inspiration from the cylindrical structure of Cronenberg ’s vintage Ducati 450 Desmo bike ( when it was point upside down ) .

Seth Brundle’s name came from a real person.

The name of the lead character also came from the director ’s obsession with fast things . “ The nameBrundleI took from a Formula 1 racer named Martin Brundle , ” Cronenberg said in his comment . “ A luck of the names I contrive for my fibre come from the annals of motor racing . I do n’t know why , for some reason I ’m just a giving enthusiast of motor racing . ” ( He also show that enthusiasm in his 1979 racing movieFast caller . )

The Brundle character lost his voice in an earlier version of the film.

Like the original film from 1958 , one adaptation of the book for the 1986 film had Brundle lose his ability to talk while becoming more fly - like . “ I wanted Brundle to be very articulated about what he does because I want him to be very articulate about what   was take place to him as the picture progressed , " Cronenberg said in his commentary . “ I want to hear what Brundle ’s experience of translation was … that ’s one of the more subtle but really more significant changes that I made to the agency that his disease , his transformation , go on . ”

Typhoon the baboon was scary to work with.

Those imply with the making of the moving-picture show , including Cronenberg , recollect that the baboon , Typhoon , was very much a wild fauna and not an worker . Visual effects supervisor Hoyt Yeatman   said in a peculiar features documentary film that Typhoon was once startled by the flashing   lights in the telepod and transgress the door off to get out . The   wrangler and Jeff Goldblum   ( who is 6 substructure , 4 inches tall )   were the ones who had to keep the archpriest in check .

“ They ’re very explosive , and there ’s no such thing as a tame baboon , ” Cronenberg   say . “ Jeff , because he was much bigger and warm than the baboon , was capable to overtop him , and the baboon ’s wrangler said it was a good thing that the baboon formed that kinship … Otherwise there could have been bad bother on the set with some of the distaff member of the gang . ”

Some particularly graphic scenes were cut fromThe Fly.

In a special features documentary , Cornfeld revealed that after screening the film for audiences , he and his team decided that some pretty interesting scenes just did not put to work in the picture . After Brundlefly dissolves a leg with his fly front puking , a picture was shoot that involved stuffy - ups of him consuming the lop foot ( which Getz   preserve in his refrigerator after filming ) . Another scene in the lab involved an experimentation by Brundlefly that resulted in a craze hybrid brute that was half baboon and one-half Caterpillar , which is included on the DVD as a deleted setting .

In it , Brundlefly chases the creature and beat it repeatedly with a lead pipe . He after start to the ceiling of his building in anguish and fall off . After slide down the side of his building , the protagonist grows a small arm from his body and proceeds to chew it off . “When we test it , ” Cornfeld said , “ besides being a little too acute , this one cleaning lady had thrown up … it learn us a very valuable lesson . We were basically recite a story where the friend on some level becomes the antagonist , and we had to keep the audience locked into the tragedy that this guy was perish through . If you outfox an beast , even a computed tomography - monkey , to decease with a lead pipe , your interview is no longer interested in your problem . ” you’re able to watch the scene above … if you dare .

Cronenberg’s cameo was not his idea.

In a dream succession , Ronnie is at the Dr. ’s federal agency leave birth to Brundlefly ’s larva . Cronenberg plays the gynecologist who cede the babe , but he say in the videodisc commentary that it was Geena Davis ’s melodic theme , not his , that he come out in the film . “ It was n’t something that I want , and it ’s not something that I do , “ Cronenberg said . " Geena call for me to do this function because she just experience she wanted me there … if anybody was going to be in that position when she was up in the stirrups , she would rather it be her director , so I state I would do it bang that my font would be cover and I could get someone to dub my lines if I was n’t happy with my performance . ” Per AFI , Cornfeld was supposed to take on the function , but Cronenberg stepped in when the producer “ contract dusty foot . ”

The Flyspawned a stage opera.

Cronenberg said in the videodisk commentary that , becauseThe Flytakes place principally in a way that is both Brundle ’s apartment and his laboratory , it would transform nicely for the stage : “ We knew from the very beginning that there was a staginess and an operatic scene to the movie … even though it has a very minuscule hurl , fundamentally three characters in one space , four if you count the baboon . ”In2008 , an opera compose by Howard Shore and aim by Cronenberg was perform in Paris and later in Los Angeles . “ Honestly , I ’m not as enthusiastic as I ’d look to be , ” one meeter toldThe Guardianof the opera slackly base on the moving-picture show . “ It was a little static , a little heavy . Some scenes were brilliant — others lacked rhythm . ”

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A variant of thie storey ran in 2016 ; it has been updated for 2025 .

Jeff Goldblum in ‘The Fly.’

Mel Brooks

David Cronenberg.

On the set of The Fly

On the set of The Fly