* AFIS100YearsSeries:
** AFIS100Years100MovieQuotes:
*** #95, "Carpe diem. Seize the day, boys. Make your lives extraordinary."
** AFIS100Years100Cheers: #52
* BeamMeUpScotty: Minor example. Most parodies of the ending scene have every character shout "O Captain, my Captain" when they stand up. In the film, Todd and Knox say the phrase while everyone else stands without saying anything.
* CaliforniaDoubling: Delaware for Vermont.
* DeletedRole: Lara Flynn Boyle as Ginny Dadbury.
* DyeingForYourArt: All the cast were taken for short, 50s-style haircuts. According to the "Look Back" special on the DVD, Creator/EthanHawke [[TraumaticHaircut found this upsetting]].
* PlayingAgainstType: Features Creator/RobinWilliams in one of [[TomHanksSyndrome his earlier "serious" roles]].
* TrueCompanions: The members of the Dead Poets' Society were made to share a room before and during filming to strengthen the bond between them and make them believable friends.
* WhatCouldHaveBeen:
** An earlier draft of the script included Ginny Danbury, Chet's sister and a friend of Chris's. Along with giving Chris more screentime, Ginny also had the role of Hermia in the play and the actress who played her, Lara Flynn Boyle, still appears in those scenes even though the scenes with her as Ginny were cut. Even though those scenes weren't technically necessary for the rest of the movie, it would've been nice for Chris to have a friend outside of her love triangle with Chet and Knox. There's even a hint at the character, when Chris mentions her to Knox at the party as if wanting to set them up.
** Creator/LiamNeeson had originally landed the leading role to be directed by Jeff Kanew, but lost it to Creator/RobinWilliams when director Peter Weir came on board. Creator/MelGibson was briefly attached, but his asking price was too high.
** Creator/DustinHoffman was offered the role of John Keating and the film would have been his directorial debut before he dropped out. Creator/BillMurray was also considered, while Creator/MickeyRourke passed when Peter Weir refused to make script changes.
** Originally, Cameron was supposed to stand on his desk in the final scene like the rest of the Society. However, Dylan Kussman, the actor who portrayed him, felt that this would be [[OutOfCharacterMoment out of character]] and said so to Peter Weir. Weir agreed and so they changed it to Cameron remaining seated.
** One early idea was to have Keating be dying of leukemia during the course of the film. This was changed so the film could focus on the boys instead.
** Creator/RiverPhoenix wanted to play Neil Perry.
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